So either the supply of cars to burn is depleted by those already torched or the public is using protective camoflage -- a koran on the seat, some "Ala Akbar" sticker on the bumper, or a air-fragance dangle hanging from the rear-view with a photo of Mecca on it.
bvw, posts like yours are one reason i joined fr. simply brilliant, although, id have to take this up with my god to see if its jsut a bit out of kosher.