Most of those banners are in violation of GDPR. The law isn't necessarily the problem, although it could have been done better.
https://www.edpb.europa.eu/system/files/2023-01/edpb_2023011...
Also the law doesn't require anything to be done by the user to reject cookies, to begin with, as that is the default state. I often just delete the cookie dialog from the DOM.
It’s a useful guide on how the law is likely to be interpreted, and likely influences the interpretation itself, but my inner pedant is not satisfied.
Yeah, me too, which is why I challenged OP on the claim that it's 'clearly stated'.