With the right battery powered hand held tools I can cut a car in half where it sits in about 10 minutes.
You don't seriously think a security screw is going to slow somebody with half a clue down on something they can hide for 30 minutes in any alley do you? A lock keeps honest people out. It just slows down the dishonest person...a little.
Edit....2:01.
http://www.break.com/usercontent/200...ackman-1577887