Well, I did say needlessly hostile. I definitely didn't mean that you should treat actually vile people with velvet gloves.
I'm talking more about the overall culture on Reddit where you'd have someone making some innocuous mistake and getting torn into it for it.
Although, yeah, that does also extend to general disagreements that tend to take on raised hairs where it really isn't warranted. Like, just of the top of my head, what happens whenever someone discusses the viability of nuclear power.
I feel the need to remind people that the concept of the ecological footprint was invented by BP to direct the focus of climate fears away from large corporations and onto individuals.