Nobody wants leaf blowers either, but hiring a guy with a leaf blower is cheaper than 3 guys with rakes, so here we are.

Lots of neighborhoods are banning them, ours did.

I think California banned the loud ones entirely, but people haven't caught up yet.

The actual "physical limitation" is that the typical average human simply cannot be trusted with a flying car. They can barely be trusted with regular ordinary run-of-the-mill cars.