Scaling the current electric quadcopter design to carry humans is a terrible idea. Traditional airplanes and helicopters with variable pitch rotors can safely

Scaling the current electric quadcopter design to carry humans is a terrible idea. Traditional airplanes and helicopters with variable pitch rotors can safely land if they lose power. If a quadcopter loses power it cannot land safely, and the passengers will die if it falls from 100 feet. Parachutes are an option, but there is a weight penalty and a minimum operating height, which means the concept of a bunch of 1-4 passenger quads zipping around the city are unlikely to happen until there is a huge conceptual leap in the design of these systems. There are a lot of people that claim they won't fly in a 737 MAX because of its flight control problems, but quads would be a zillion times more dangerous for humans.