Without enforceability it'll go the same way as it has on Pixiv, the good actors will properly label their AI utilizing work, while the bad actors will continue to lie to try to maximize their audience until they get caught, then rinse and repeat. Kind of like crypto-scammers. For context, Pixiv had to deal with a massive wave of AI content being dumped onto the site by wannabe artists basically right as the initial…
Also remains to be seen if labeling your content as containing AI-generated work will help or hurt you in your viewership. My guess is that youtube is going to downrank this content, and may be trying to crowdsource training data in order to do this automatically.
Personally, I've developed a strong aversion to content that is primarily done by AI with very little human effort on top. After how things went with Pixiv I've come to hold the belief that our societies don't help people develop 'cultural maturity'. People want the clout/respect of being a popular artist/creator, without having to go through the journey they all go through which leads to them becoming popular. It's like wanting to use the title of Doctor without putting in the effort to earn a doctorate, the difference just being that we do have a culture of thinking that it's bad to do that.