Catastrophical failure would be way worse.
Flying is less energy efficient. You need to find cheaper and clean energy source.
You need to find a tech that allow to fly quietly.
Forcing to make people walk more is better for the society as a whole.
Flying is less energy efficient. You need to find cheaper and clean energy source.
You need to find a tech that allow to fly quietly.
Forcing to make people walk more is better for the society as a whole.
It's like you think the only victims of drunk drivers are the drunks themselves.