They already disappeared around 2017 when Steve Bannon's racist troll armies flooded every single social media site or app. The auto-immune reaction killed the host, which I suspect was the point.
I played Specter on the Super Nintendo as a kid, that might be a contender. It'd older than Super Mario 64.
It's a tank game where you roam around an endless flat space, hunting other extremely-low-poly tanks. The only other objects are cylinders sitting there. It was actually pretty fun.
I'm very happy with my EndeavourOS installation. It's arch-based, but with easier installation and some apps to help maintain the system. I've had it on my T16 for more than 2 years now.
Fedora is probably the most obvious choice though, since you've already used it.
But you have to actually believe it. So the trick is to find your purpose, as much as it is to make it up. There's something in you that wants to come out... or maybe not!
B) The point is whatever you want, whatever you value.
C) Somebody keeps living after you, so "the point" is to pass things forward because "something" happens, to somebody else after you die. We inherit everything from our ancestors.
This is the answer.