I agree with you, but only when it comes to celebrity threads. For example, I like Billie Eilish, and every time I go to her thread, the photos are just ordinary, photos that nobody would care if they disappeared from the internet. It's not worth posting them.
I know Billie (a millionaire celebrity) is never going to post a photo of her bare ass or tits, but every once in a while there’s a photo showing a bit of cleavage, a bikini shot, or her wearing something tight, decent content for a celebrity, I mean, you can't expect anything better from a celebrity, unless there's a massive leak.
Now, when it comes to girls on OnlyFans/FanFix/Patreon or whatever, I think it's fine for people to post the content they bought even if it's disappointing, that way others can see if the content being sold is any good or not. If you go to an OnlyFans girl’s thread, sort the posts by reactions, and the post with the most reactions is just an Instagram-level photo, you know it’s not worth your time or money.