I've been rear-ended while driving three times over the years. Two were minor, one totaled the car. I have to think that all three of those would have been exponentially worse if I was on a motorcycle instead of in a car.
Legal where I live and it's fantastic. Love being first in line at every intersection and not having to worry about getting ran over.
Buuut.... there is a fair number of drivers who like to yell at me to not cut in line... had one person drive on the sidewalk and around me onto the crosswalk and said "if you can cut, so can I." Super scary.
I usually just say, "it's legal, learn to drive" but the "learn to drive" part makes a certain kind of driver so mad that it's not worth risking the road rage