Dave S.
Why don't \you just leave your keys in the car to save the crook the time and energy of pulling out the lock cylinder, etc. While you are at it, why not jack up the car, take the wheels and tires off and lean them against the side of the car. That way the crook who wants your wheels and tires can just roll them away and you don't have to worry about them messing up your lug bolts, etc.
The point is that you should not just roll over and make it easy for the crooks....That's just dumb. I would continue to make it harder. I have insurance to pay for the damage and stuff they steal, but I would invest in a security cameras to constantly watch the car, and it might be smart to park that kind of vehicle in a garage which adds another layer of security.
If you make it harder, eventually the crooks will screw up and get caught and then those things might end.
I just can't agree that leaving vehicles and posessions unsecured to avoid damage is very smart. What happens if you leave your vehicle unlocked, and the crooks decide to cut up the interior, break windows, slash your tires, or set your car on fire? They are not obligated to avoid damaging your car because you willing to leave it unsecured !!!!
...Rich