Richard:Explanation #1: Camouflage
Our friend is being pursued by a color-blind stalker. Between the leopard print, the zebra print, and the wooden blinds, he's probably safe, so long as he doesn't move.
Explanation #2: Laziness
Sloth is the only thing that could explain the careless misspelling of "techno" (unless the kids are listening to "techo" now) and the lingering, high-1980s wall-treatment -- which, I sadly know, was executed with a feather duster.