Lemmy support would be much more fitting for Mozilla. They could add plugin or lemmy integration to their browser that could show discussions from subscribed communities matching the current url.
Effectively acting as a "comment section" but for any page. One would only need lemmy account to comment on youtube videos, news articles, blogs etc.
Allowing people to copyright A.I generated art could lead to huge issues where someone could just churn out generated images like no tomorrow and throw out copyright claims left and right. It could even lead to situation where you can't really create any art because it's probably something that's already been generated by someone or close to it.