Openrc is used by alpine and gentoo. They both work great.

Runit used by void is also fine.

If you can figure out gentoo it’s not a bad OS but compiling can be slow. You’ll learn a lot though. Checkout oddlama/gentoo-installer

You can’t, this guy doesn’t know what he’s taking about.

Port forward behind CGNAT won’t get you out. Best bet here would be ipv6.

Tor would work. However, only over Tor obviously.