I mean it predates a lot of the pervy anime, but Usenet looked the same at the start with lots of Unix/computer boards and an alt.
Computer enthusiasts gonna enthusiastically talk about computers. People who pick up and move to a new platform are likely to be united around being technically competent enough to get there first, and everything else second.
This. Don’t let the perfect be the enemy of the good.
I tend to think you can secure yourself some of the gains without rooting your phone, but it’s a lot of twiddling and an ecosystem swap.
I loathe apple, but if you’re not ready to dive in, your home devices are where I would start. Routers, modems, home PCs, learn how to set up encryption and redirection to put things behind. Ditch your roomba.
Edit; I did not mean to talk down, sounds like your on that train. Android is linux and adb is awesome (sometimes).
Keepassdx/xc and syncthing have been awesome, rise up has a decent free VPN client for public use in fdroid.