Yes, the effect is it will become a toxic community where your project can be summarily judged and instantly dismissed as slop because there's an AGENTS.md file in the repository or LLM attribution in the commit messages.
Right or wrong many users are utterly uninterested in said content and wish that their existing communities could continue as they did prior to the onslaught. Naturally, some communities will decide to attempt to moderate in such a way that supports those users desires. As with most necessary moderation of online communities there will be gray areas and judgement calls and drama and abuse. There really isn’t an alternative.