An in joke – funny, yet so true!
XKCD, you’ve done it again! This is a kinda in joke… ohk, more a geeky joke, like the geeky jokes on that app that Anthony (Liang) has on his iPod Touch.
The weird sense of duty really good sysadmins have can border on the sociopathic, but it's nice to know that it stands between the forces of darkness and your cat blog's servers.