If one wants the NAS functionality then yeah unRAID is great. If not I think they'd be served as well or better with Ubuntu and docker (ideally with portainer UI)
Picking a side in "Hamas vs Israel" is a losing battle. The side everyone should be on is "anti-apartheid". Colonialism and apartheid have predictable effects, one of which is blowback in the form of resistance groups/"terrorists".
There's a guy on YouTube, Ironpineapple, who has a ton of videos of him playing souls likes of a variety of qualities. You might find something there you like.
It's not a relative word though. It describes a specific set of political beliefs, which Biden does not hold.... so he's not a leftist. He's a liberal, and barely one at that.
I am using the official "cloudflared" docker image yeah. Setting up the tunnel was easy but for some reason I've had A LOT of trouble getting the DNS and subdomain settings to work consistently.
Proton does have a free plan but it's very limited