Toyota is doubling down on Joby Aviation with a $500 million investment into the California-based company that's developing electric air taxis. Toyota's
That being said, it is one failsafe, for normal drones, but after looking further at the image of the Toyota concept, I can sort of see what you mean, as it is a different construction to that of a normal drone.
Oh you wanted proof, quick search says here Ardupilot firmware could handle 1 motor loss with 5+ rotors in 2018: https://discuss.ardupilot.org/t/handling-motor-loss/32359
And a seven years old video of a home made hexacopter: https://www.youtube.com/watch?v=ap8ngQqt7s8
Ah, nice, I did not know that!
Thank you for sharing the video, cool!
That being said, it is one failsafe, for normal drones, but after looking further at the image of the Toyota concept, I can sort of see what you mean, as it is a different construction to that of a normal drone.