Suppressed Technology
When the software to run your own social media server
Is so readily available
Why do Facebook and Twitter have monopolies???
http://pump.io/
https://movim.eu/
Note that both the above software packages work as FEDERATED servers so that data is stored locally on your server and shared with other servers in the federation.
Here is a slide set for pump.io explaining it
https://media.libreplanet.org/u/libreplanet/m/pump-io-the-federated-extensible-social-network-slides/
You do not need to build a data center because there are thousands of companies who rent servers. The following article reviews some dedicated server options, but there is also shared servers for a lot less. In fact, if lots of people do this, then a federation of shared servers is a realistic option.
https://www.techradar.com/news/best-dedicated-server-hosting-in-2018
Yes, you need technical people to look after these servers, but that should not be a problem given the number of clubs and churches who have managed to find people to help them get a website running. Some people will be better at playing the game of politics by lobbying or monitoring elected politicians. Others are more capable of setting up and managing group servers.