Hm, assuming you're saying you think there's too much data to be useful, in that chaos, the companies which own these platforms, and the data people feed them, actually DO shape opinion and culture on a mass scale, been automated a while.
https://www.npr.org/2024/01/17/1224955473/social-media-algorithm-filterworld
OTOH,
If you're saying it's chaos and any individual platform has to sail crazy headwinds, to find unlikely success, fine sure. But you're saying it on a big network of instances with millions of users.