Well that's more about you trying to shoehorn a car analogy where it doesn't belong and me trying to play along.
Plenty of experienced operators have crashed their machines in a sudden gust, and those parts can fly quite surprisingly far when they shatter.
There is no excuse for not legislating cheap, basic safety features in things. We're talking pennies' worth of plastic. It does mean that the sub-£400 market dries up as not a single one of those drones will be able to power up and away with even 20g added to them, but that's a price worth paying.