On Tue, 05 May 2015 08:26:17 +0100, Tarcap wrote:

Motorists do have something in their heads worth protecting, something
that cannot be said for cyclists,

Why do people insult others?

They are insecure of themselves, and so, look for the flaws or
"downfalls" in others.
They have a lot of anger inside them with nowhere to place it, so they
take it out on someone in order to release it.