Absolutely.
Q. What do you guys think of riding a bit of sidewalk on the left side of the street?
A. LANCE ARMSTRONG SHOULD NOT INSTALL RAZOR BLADES ON HIS RACE BIKE AND PLOW DOWN MOTHERS AND CHILDREN TRYING TO GET TO CHURCH YOU BELONG IN HELL!!!!
Q. Wait, what?

However, in the OP, you cryptically hint that this other cyclist is doing other things wrong. Maybe it's time to wrap this thread up and go start another thread where we can all agree this other guy is a jerk