If by 'mess with' you mean 'regulate', is a kinetic energy based approach to safety a good enough of a reason? My worldview: The average truck in America is per

If by 'mess with' you mean 'regulate', is a kinetic energy based approach to safety a good enough of a reason? My worldview: The average truck in America is perhaps 32 times as heavy as the average automobile. That means they carry 32 times as much energy at the same speeds, and deserve 32 times as much scrutiny for their behavior on public roads. Much the same way I believe car drivers deserve 6-7 times as much scrutiny as bicyclists, and again bicyclists perhaps twice as much scrutiny as pedestrians. Scaling this up, I would invite you to think of a similar scenario with rest rules on plane and train operators being broken, and see how you feel about being a passenger on one of those. Are those rules harassing pilots? Air travel is booming! Pilots want to fly! Let them fly!