Possibly.
I think most of them are actually businessmen, althought I'm not sure where I've got that impression from.

edit: I am aware that responsible and pleasant bike riders do exist in great numbers, but as a result of their polite and thoughtful road use they rarely come to mind when ranting.
( Mockingbird is an actual practitioner of SCIENCE (TM), Fri 11 Apr 2008, 12:10, archived)

Ahhh Sunday riders.
Tarquin blatting it down the road on an R1 he doesn't know the first thing about mending. Yes I've met a few of them. Matching leathers, lid and bike. *shudders*
( Captain Wow Lend me your ear while I call you a fool, Fri 11 Apr 2008, 12:13, archived)