Didn't take as long as I expected, but I expected it (which is why I didn't bother to read, even if it's not all the way there, it's coming).
Seriously, advertising (or propaganda to use the older name favoured by Goebbels) really needs to be seen as a much more serious enemy than most do. Propaganda for capitalists is super effective at sucking up peoples mental bandwidth, they've been selecting for it going on a century now and they're depressingly good at it, if you don't actively counter it, straight to the subconscious, along with all the background crap in it. /rant, but seriously...
Or the physics explanation, straight up 100% efficient gravity control would be less than walking up a similar sized mountain (conservation of [potential] energy). Something using zero point energy to force could be net positive, it depends...