20366, and if you can kill with bare hands, then what now, to control everyone who has hands? Gasoline can be used very damagingly - so, to prohibit it from selling to individuals (and at the same time cars - they are also beaten down)?
Explosives are prohibited for sale, so the scenario described by you will not pass. And with regard to the "footprints for cars" and other things - this is what a laptop can do, let manufacturers enhance safety.