The site will eventually crumble. They will be forced to enforce the porn & copyright rules eventually, forcing 2/3 of their users away.
Likewise people are going to get sick of
>I drew art, I deserve money
>give me money so I can buy toys I mean make more Youtube video reviews
and stop donating when they realize they're funding what is basically giving people welfare without the government middle man.
I'm not kidding on that one part, there are Youtube people who literally use their money to buy action figures and video games and openly admit it, under the guise of "content creation" because they... make a shitty video review of the damn thing.