Sun-Spider

Yeah exactly. It does have some features that require integration with the init system, which systemd obviously supports, but it could be used independently of systemd quite happily, and other init systems could easily support those integrations.

To give them their due (little as that may be), this only seems to prevent users from logging in to the mobile web interface, not from viewing content as a random user from Google.

I don’t think a roulette would work, because not all instances are created equal. Like, just look at Lemmygrad for the proof of that. There are other differences too, like some instances turn off downvoting.