How about trying to talk to some of these people to see why they park the way they do?
Today I parked like that as I parked next to a ford f350 that seem to have a 3ft lift kit installed and monster tires that stuck out 2 ft on both sides of the vehicle.
As I walked away I notice I had parked like that, but from inside the car it felt I was close enough to hit him with my door.