These acts are always deliberate. If they are not then those idiots are hooked on crack, and that also means they need to be shaken up.
Exactly, "As you sow so shall you reap".
You mentioned about giving them margin of error, I do not agree with that. We are not operating a junior school where kids need to be taught and given margin of error. Parking like a moron is no error. It is always deliberate and I've seen people getting a psychotic sort of satisfaction from it without realizing that it might cost someone a life.