this post was submitted on 13 Feb 2026
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Me: Cars

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[–] stringere@sh.itjust.works 7 points 10 hours ago
[–] Bahnd@lemmy.world 3 points 9 hours ago

[Gestures broadly to Thomas Midgley Jr.] [Link]

[–] plyth@feddit.org 1 points 9 hours ago

Customer service. People have normalized that positions of power can be used to abuse others.

[–] JackiesFridge@lemmy.world 1 points 9 hours ago
[–] myfunnyaccountname@lemmy.zip 12 points 23 hours ago

Shareholders.

[–] nisemikol@scribe.disroot.org 4 points 19 hours ago

I think it has to be something that poses an existential threat to human life on this planet, so cars (and other inventions dependent on fossil fuels) is a pretty good pick for the top of the list, IMO. I saw someone in the comments pick animal agriculture, and that, too, contributes to the existential threat of a warming planet; so that, too, feels like a good pick for the top of the list.

For me, though, nuclear weapons has to be the worst thing we've ever invented. No other invention is capable of ending human life on this planet so quickly and so thoroughly.

[–] CaptPretentious@lemmy.world 6 points 1 day ago

Social media year over year shows it was a mistake.

[–] chunes@lemmy.world 5 points 23 hours ago (1 children)

Either leaded gasoline or pfas

[–] Jonnyprophet@lemmy.world 1 points 19 hours ago

Leaded gasoline is an Amazing answer. Fuck. Take my UpDoot.

[–] xep@discuss.online 7 points 1 day ago

It's likely LLMs in their current corporate circular funding form and cryptocurrency.

[–] grue@lemmy.world 64 points 1 day ago (4 children)
[–] PHLAK@lemmy.world 7 points 1 day ago* (last edited 1 day ago) (4 children)

Some level of advertising is surely okay, right?

If I open a bakery and put a sign out front that says "Baked good for sale!" I don't think anyone would complain but that IS advertising.

This begs the question: What level of advertising is okay?

[–] Butterpaderp@lemmy.world 1 points 8 hours ago

A level that does't require selling people's data

[–] EndlessNightmare@reddthat.com 3 points 22 hours ago

I can't specify a threshold, but it really comes down to the level of invasiveness.

[–] corsicanguppy@lemmy.ca 3 points 1 day ago

This begs the question

Nope. It just raises the question.

[–] ButteryMonkey@piefed.social 4 points 1 day ago

I miss the days of requesting big thick catalogues be sent to you in the mail from companies you’d want to do business with. They’d send you a catalogue once or twice a year and then stop if you don’t buy anything for a while. I think that was a good method, the same way I don’t mind seeing other things available on websites I’m buying from.

I also don’t mind stuff like local coupon/advert mailers that come once a month or whatever, but those tend to all just be big companies advertising “sales” that always run these days, rather than anyone I’d want to try to support. But I like the idea of packaging up all the ads they want to send out and delivering them in one go. Maybe with an opt-out. All other junk mail, stuff you didn’t request, should be banned.

And I think signage on store windows and stuff is fine, as long as it’s not an eyesore, but billboards and rooftop signage should definitely be banned. Protruding signs like that hang off the side of buildings should also go.

Meatspace advertisements are the worst imo, because there’s very little you can do to avoid them.

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[–] Limfjorden@feddit.dk 90 points 1 day ago (8 children)

Cars are too prevalent in most countries, but they are undeniably very useful when used correctly. I would probably say the social media does more harm than cars, but idk if it's the worst invention. Lots of candidates.

[–] DarkFuture@lemmy.world 4 points 1 day ago

I've been alive long enough to have become an adult before social media happened.

Social media is the correct answer.

I've never witnessed something have a more detrimental effect on society.

As an American, our discourse, especially political, went absolutely apeshit at the same time social media and smart phones started becoming a household thing. We absolutely would not be in the situation we currently find ourselves if not for social media.

There are simply too many ignorant humans for social media to be anything other than a total disaster.

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[–] Ryoae@piefed.social 14 points 1 day ago

Capitalism.

[–] GreenKnight23@lemmy.world 5 points 1 day ago

industrialization.

it's caused unfathomable damage to us, our planet, and the organisms we share our world with.

it's also saved just as many as it's harmed, but there is an upper limit when our planet dies and we all die with it.

[–] YaksDC@sh.itjust.works 58 points 1 day ago (2 children)

Religion. So many of today's issues stem from the magical thinking inherent in religion.

[–] Ryoae@piefed.social 6 points 1 day ago

It's easily disprovable, but even in the face of countless arguments against it, people still willingly throw themselves into it by the millions. They're too fearful of the unknown, they're fearful of belonging somewhere when we die and religion is the prime example of how easily controllable people are when they're fearful.

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[–] yool_ooloo@lemmy.world 1 points 19 hours ago
[–] boaratio@lemmy.world 5 points 1 day ago (2 children)
[–] toddestan@lemmy.world 2 points 23 hours ago

Leaded gasoline has to be worse.

[–] XeroxCool@lemmy.world 2 points 1 day ago

Lead pipes are fine. Step 1: Install. Step 2: ignore one generation of aggressive residents. Step 3: never touch the pipes again

[–] KokusnussRitter@discuss.tchncs.de 37 points 1 day ago (13 children)

nuclear weapons, too feckin dangerous to have

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[–] IchNichtenLichten@lemmy.wtf 3 points 1 day ago

The corporation.

[–] ICastFist@programming.dev 16 points 1 day ago

Slavery. Even after banning it pretty much everywhere, people still find ways to treat others as disposable property.

[–] zxqwas@lemmy.world 27 points 1 day ago

So far crypto currencies. So far they seem to expend a huge amount of electricity and used mostly for speculation.

[–] workerONE@lemmy.world 11 points 1 day ago* (last edited 1 day ago) (1 children)
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[–] moondoggie@lemmy.world 16 points 1 day ago

24 hour news networks.

News used to just be the news when there was a half hour of local, half hour of national twice per night with a morning show for fluff, weather, and brief news updates. 24 hour news needed to fill the whole 24 hours and also pay for itself by getting eyeballs on advertisers. That’s when all of the sensationalist stuff started taking over.

[–] Earthman_Jim@lemmy.zip 2 points 1 day ago* (last edited 3 hours ago)

I know this will seem trendy, or whatever, but AI and social media have been the worst inventions since religion.

[–] ace_garp@lemmy.world 10 points 1 day ago

Disposable vapes come to mind, although the real answer is probably some extremely depraved torture device.

[–] Kolanaki@pawb.social 20 points 1 day ago (2 children)

It's a three way tie between:

  • Leaded Gas

  • Aerosols

  • Nuclear bombs

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[–] Smoogs@lemmy.world 7 points 1 day ago (2 children)
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[–] Cherry@piefed.social 18 points 1 day ago

A financial system that breeds billionaires

[–] Einskjaldi@lemmy.world 2 points 1 day ago

Chemical weapons

[–] FiniteBanjo@feddit.online 17 points 1 day ago

Easy question:

AI

Net negative pushing us toward unavoidable global ecosystem collapse: it produces nothing but the unfulfilled promise of eventually replacing human workers, which it has never shown the capability to do and according to the researchers who founded the AI companies will never do due to "AI Scaling Laws". It has increased power consumption and costs by over 30% in some US States.

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