Why the false consensus effect leads to inappropriate advertising

What would you do in the following situation?
You’re driving in a 20mph zone when you’re flagged down by a policeman. He’s caught you driving at 35mph on his speed gun, so he issues you with a £50 on-the-spot fine. Back at home you realise his report is riddled with errors, such as the make of your car and the road you were on. This gives you a good chance of being able to appeal successfully. Would you? Or would you accept the fine?
Obviously you’re a safe driver,