you also need to remember that this is literally a turn key product, that literally every cloud provider sells
I am unaware of server products that I can just buy, plug in, and get up and running in minutes with my own ActivityPub instances, media storage/streaming, XMPP messaging, and etc. If they really exist, please share links.
There's certainly value in doing this stuff the hard way, but the goal should be for self-hosting to be as easy as signing up with Google, Facebook, Spotify, etc. There aren't enough people with the time and curiosity to figure out the current state of self-hosting and make a dent in the three website problem.