Comment by zamfi

Minor point perhaps, but there's no question about whether the police are violating the rule when they drive their car into the park: they are.

The question is whether it was justifiable and that's not what the original game asks you to evaluate, but it is the much harder question because it is almost always subjective--as you point out. In justifiability you can start asking about intent, weigh the various costs of the action, etc.