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YouTube Is Making It Easier to Spot AI-Generated Videos
(lifehacker.com)
This is a most excellent place for technology news and articles.
That's a trial and error approach for something that could easily be a simple setting.
It also doesn't work if you use an alternative front end or aren't signed in.
Additionally it also depends entirely on the content you view and your viewing enough of it to train the algorithm, which means new accounts or little used accounts have no recourse.