> We certainly need a more P2P, version of this type of platform and a way to fund and scale it such that it can’t be messed with by billionaire hacks.

We already have that. Selfhosting is possible, and today even simpler than ever. And there is a multitude of systems and platforms which one can use to collect money as long as it's not doing something too critical, like porn or terrorism. Influencers have those field already covered well, and will continue building them to avoid the hefty shares on their usual platforms.