Partly they criticize you because it's a way of
letting off steam, but mostly they do it because we all think, at
least some of the time, that we can do a better job than the person we work for.
In Cutler's experience, the police don't really enforce illegal cyclist behavior such as running red lights or cycling on the sidewalk, but they don't want to see blatant demonstrations of it, and every now and then must at
least let off a little verbal
steam as a face - saving mechanism.