My pet peeve is limit speed by vehicle weight, equal impact for all drivers. Want to drive fast? You're welcome to crash into me with your 500kgs. Want to drive

My pet peeve is limit speed by vehicle weight, equal impact for all drivers. Want to drive fast? You're welcome to crash into me with your 500kgs. Want to drive a 3000kg vehicle? Limit to 70kmh, even on the highway.