The best solution for dealing with AI content slop flooding your eyeballs is to hang out in places small enough to be a community -- like a local area mesh network.
AI slop thrives in anonymity. In a community that's developed its own established norms and people who know each other, AI content trying to be passed off as genuine stands out like a sore thumb and is easily eradicated before it gets a chance to take root.
It doesn't have to be invite-only, per se, but it needs to have its own flavor that newcomers can adapt to, and AI slop doesn't.