I guess that is true. People are lazy and such. Everyone (with a non-room-temp-IQ) can figure out how to do it easily.
Yes, but I wouldn't say easily. There is a lot of things about large scale drones that don't scale up from hobby drones. These things are huge so it's not just some basement Maker building these things. The cost alone would be more than most people would be able to afford.
(redacted) Not that hard.... cough.
(redacted) Not that hard.... cough.
A compact car-sized drone that stays aloft for 7+ hours? You should be in the drone making business if that's easy.
Working on funding.