what you are saying is true if you entirely ignore the power of a majority market share and the demand that puts on small developers.
even if it’s not universal demand, all you need is a slight majority.
see what happened, for example, with xmpp: https://ploum.net/2023-06-23-how-to-kill-decentralised-networks.html
i am confused what OP wants to happen, i would probably say this is a change for the better that i would not mind for the sake of privacy?
just like subscribe to some ppl or something like,