[Maceman]

If these vehicles become popular, it will be raining cars.

Every time there is an accident, someone on the ground will be at risk of having a flying car fall on their head, or their home, or their office building.

If you think the skies are crowded with airplanes, just imagine what it will be like having flying car traffic over head.

Somehow, I don’t think people have thought this through.

[Boiler Plate]

We don't need three dimensions for that to happen.

[BwanaNdege]

"Every time there is an accident, someone on the ground will be at risk of having a flying car fall on their head, or their home, or their office building."

You mean like this?

Or this?