Sounds similar to Nintendo dmca takedowns. You could challenge the defamation claim in court and win, but you would have to spend a lot of money and time, and the only thing you get back in the end is the right to post the review.
Its where the DRM bypass software lives these days, along with Bypass Paywalls Clean.
For the plebes, it is a civil tort.
For the AI companies, its required for "training". Rules dont apply to too-large-to-fail professional for-profit pirates.
But damn you if you try to make a Netflix-clone with every video. Wew.