This is both a safe assumption and a scary reality. I have had cars deliberately place themselves in a situation where I had to take evasive action on my motor

This is both a safe assumption and a scary reality. I have had cars deliberately place themselves in a situation where I had to take evasive action on my motorcycle. Think about using a 6000lb object to physically intimidate a 400lb object for the perceived slight of being safely passed. This is on top of all the inattentive drivers.