All the same IMO this is the reason why we never use parent parking bay's , altho we wont leave the car on it's own in a supermarket car park my husband whilst waiting for me saw a bloke pull up in a car swing the door open and make a right mess on someones car ,he then shut the door quickly and drove off i have seen normal one trolley parent's let there kid's wheel them about , and i have a job to control one of them thing's never mind a child in charge of one