So when these models start learning from more and more AI generated content, can we assume they'll get worse again and eventually make themselves useless?
As an avid redditor I can say it's already like that and they will teach it nothing of value unless they limit it to a very low number of subreddits, which will still barely teach it anything of value unless the goal is teaching it current generation humor and shitposting habits, which would be very valuable to anyone wanting to boost engagement and try to sway a fairly left leaning generation of people toward whatever they're selling.
Which is today's right-wing billionaires and their pet politicians.
If wages had risen appropriately then people wouldn't have trouble paying the kinds of prices necessary to keep small places like the ones you're talking about running.
The issue isn't with responding, it's that cops love shooting and are poorly trained.