Nextcloud is reall nice but if you are using many of its functions,. For just calendar it seem a bit to heavy, isn't it?

I once was fixing someones computer booting with Bluescreen, because Windows 7 thought it found newer drivers for USB 3.1, and those newer were causing BSOD

modern anti cheats work under linux right now, from what I know

Lul, leftist memes are getting really cringe, is this facebook?

Yeah, currently it is bad time for computing power donations.

Technically any connection made from inside your local network can expose it to the outside world for someone outside. Browsing web, some nasty js and here you go.
I personally have some stuff hosted on my home hardware, cant share details obviously, but even the ip address of those services is not my home ip address. Also extensive use of rootless containers and other cool stuff is making me want to keep things like that.

Unseen

A living proof how apt can be dangerous.

Don't even try installing steam or you loose all your gpu drivers and stuff.

using apt for managing all system packages seem like a security flaw. If it get corrupted or run badly, whole OS can be destroyed.