It's to help prove their point.
Well, you're right, except it was Cheney.
As it happened, the release of Linux essentially killed Hurd, although it's technically still around.
Hurd killed itself by the same means that DNF was killed. Linux just helped speed up the process.
Amazing, a totally idle system with uptime!
It's actually "pwn noobs" Get it right!
Except that Slashdot includes so much extra crap in their query strings that it just might not be recognized as visited. It all depends on the parameters present and the order they're in. And this is one of the points of shorter, human-readable URLs.