There's a reason why passenger vehicles don't come equipped with roll cages, 5 point harnesses, and why there's no law mandating that motorists and their passen

There's a reason why passenger vehicles don't come equipped with roll cages, 5 point harnesses, and why there's no law mandating that motorists and their passengers wear crash helmets. Simply put, a 3 point restraint that's much easier to put on provides a decent amount of protection in the event of a crash. On the other hand, if one is engaged in motor sports, racing, etc., then the other safety measures are necessary. Just like one would use additional safety measures when working in a healthcare setting.