So much this.
I live in a US city that has an atypically large number of people who bicycle as their primary transportation. I do as well, but I also have a car and drive when that's more appropriate.
The years have taught me some things about the car vs bike divide: car drivers tend to be real jerks toward bicyclists, and bicyclists tend to be real jerks toward car drivers.
It's lose-lose, particularly because it's not rare that either the car or the bike (or both) navigate dangerously as a result, increasing the chances that someone's going to have an accident, and reaffirming the negative stereotypes each has toward the other.