In the past 24 hours, Ukrainians have been been blocked from signing up for Twitter using their phone numbers and using 2FA and accounts tracking Russian oligarchs' jets have been suspended.
What happens on Twitter can seem like a sideshow, but Elon Musk's actions are a direct threat to democracy.
Who manufactures your computer?
What ISP do you use?
What backbone provider do they use?
Who manufactured the networking gear routing your traffic?
What company owns the server that hosts your instance?
At least one of those is likely a private company.
Any one of them can monitor, censor or cease your communication of it weren't for regulating.
MeidasTouch 
SammyGalen
PadreSJ