Cause telling someone off when "crossing an empty road at night on a red light" does not imply no corruption. It is just someone petty feeling good about little power or irritated over minor rule breaking.

That being said, in fact in Germany, pedestrians cross an empty road at night on a red light fairly regularly. Or they just cross at random place, not through the pedestrian crossing despite that one being fairly close and being red. I have seen that both. And I have done both, no one told me anything.