Ok, think you're trying a bit too hard now, so I comeback with, no seatbelt you head through the windscreen, badly injured, helicopter medics attend to scoop you up, meanwhile someone else is in need of said helicopter but your negligence means they can't attend and so a person who could have...
Sorry you're wrong it does save others. By bringing in the law, parents were made to put their kids in seat belts and by the fact those belts were not suitable for the young kiddy seats were introduced. Also unbelted passengers, including kids often killed others by flying about in the confines...