If they don't kill themselves first, trying to sneak into a concert or sports event(WWC), or by strapping a JATO charge to their 84 Camaro!
Just keeping them around for morbid curiousity and the knowledge that somewhere, somehow they'll do something that will entertain and give you a story that will start out, "I knew this guy once, complete idiot and he managed to delete himself from the great hard drive of life by...."