Well, it's still up. For now. IDK if they are accepting registrations rn, but I guess you could still host a webpage. For an indeterminate amount of time.
Hmmm, from what I've heard Elon had the least influence over the software (apart from "lol just make it a computer and hire Qt devs"), so it's actually not that bad. Well, in comparison to some other cars, that is... So yeah, would not at all be impressed if that will be the case.
As someone else pointed out, "Cloud" is a buzz word that also means rented compute. Pull the plug, cars die. IDK how exactly. They could get confused and attempt to ALL drive back to their parking lots I guess. Although it sounds like they will be wasted to me, still.
Though now it's sort of vendor locked in to AMD and Intel (plus whatever those few Chinese clones were) and a very specific combination of software components on Linux (or just Windows), with janky emulation and translation for everything else, but that's a separate issue.
"Nobody" That's the 4% market usage, clearly