Mostly because the closest thing we have to a hilarious conservative asshole is P.J. O'Rourke. It's pretty depressing.
The caveat of course is that we only see him on Top Gear breaking shit and acting like Moe from the Three Stooges. It's not like we ever see whatever crap he writes in the Times.
It's like the British are just now discovering the existence of bad driving habits. Surely, someone, somewhere, once got drunk and wrecked their horse into the sea.
This segment has been banned from repeat broadcasts of the episode because of a number of real life incidents. Utterly baffling - if people aren't getting the hint, so the damn thing again and again!