Being able to abstract away the 3rd dimension is a huge boon, which is why we're still doing self driving cars. In the air you can't ignore the 3rd dimension.

Being able to abstract away the 3rd dimension is a huge boon, which is why we're still doing self driving cars. In the air you can't ignore the 3rd dimension. Every calculation your car AI was making before, will now have to grow by an order of magnitude. Even making a helicopter stay stationary in 3d space is a challenge.