In my experience, the serious racers are usually quite well behaved, You can distingush them from other recreational riders by the conversations they have about the training objectives for the ride. The also seem to be good folks.

I think the bad actors are the poseurs and wannabes. But, that's the way it is in any activity, so why single out bikers?

If I get in a friendly race with someone on my commute, am I instantly changed into something evil?

Paul