Desktops were the first way computers entered the mainstream, enabling everyday consumers to utilize the immense powers of these legendary devices.
Nowadays, they're getting kind of stale. They're a bit big, a bit clunky, and certainly not mobile. Laptops are a little cooler; you can tote them around in a bag, flip open the lid and—wait. Flip open the lid? Sounds like a flip phone, AKA dumb phone. And where's the touchscreen, man?
Indeed, these days the trends orbit around tablets and smartphones. Of course, desktops and laptops still serve many valuable functions and aren't anywhere near extinction, but you wouldn't know from Asok, who dubs Dilbert's PC a "granpa box" and calls laptops "nineties."