I just set up my own sync server. It is dead simple with docker compose and pretty well described on their git page.

Getting my own auth server up and running was a bit more difficult, but it is absolutely doable. There a a few ppl who have made scripts to ease the task. You can find them on github.

Looks like you do not know a single thing about what Marxism/Leninism/stalinism is. Nothing in the US comes even close to this. The most lefties in the US would still be considered a far-right extremist compared to Marxism. Right now the democracy is going down the drain in the US and they Trump is doing his best to make it a dictatorship like in Belarus and Russia.

Trump triedcseveral times before Obama, polite as he is, answered.

From a privacy perspective: no

From a fairness and repairability perspective: yes