I wouldn't expect such a thread to last too long, though. Cop-bashing isn't looked upon kindly here. Lot of cop members, and probably most of the rest of us have cop friends or family.
FWIW, of the tickets I received over the years, I only was offended by one: I hadn't seen the school zone light flashing overhead, because I was behind a semi. I passed the semi; saw the two police officers with their radar guns, and thought nothing of it as I was at or under what I thought the speed limit was.
I explained this when I got pulled over, after the officer told me the speed limit was 15, not 35, due to the flashing school zone light (I also hadn't realized the school was on that block). The officer said, "We thought it was odd, since you were looking right at us." But then he wrote the ticket anyway.
I found that annoying, but technically I was speeding, even if it hadn't been my intention.
Now, the other tickets I've received, I had coming. And I was very pleased on the rare occasions that I received warnings (not that rare, in hindsight; 1/3 of the times I was stopped, I got warnings).
I suspect most people would have to admit the same - most tickets are justified, and the police are more likely to give a warning where a ticket could be given, than a ticket that's totally unjustified.
Sorry for the veer.