Putting social media on blockchain increases the control of network particiants like creators, users, advertisers, developers and moderators. That's why we put social media on blockchain.
The original internet protocols just transmitted data but did not store or index it. This lack of storage allowed big tech companies to fill that void.
Despite our rapid progress in information technology, information protocols haven't upgraded in 3 decades. DeSo is the first new information protocol upgrade fit for today's times.