Why does hatred of cyclists still seem like fair game?

It goes back a long way - in the old Ealing Comedies, a car knocking the vicar or policeman into a ditch was a common “gag”, and cyclists were portrayed as ridiculous, privileged and a fair target. Timothy George Rowe

- 

We perform a public service by giving moany people something to moan about. Andy Lenthall

Would I be subject to as much vitriol if I was a slow moving piece of construction or farm equipment. The answer is always “no”. Eric Hartman