Well played! (Though I would argue that the parent is still technically correct about multirotors / quadcopters being very inefficient compared to other flight methods)

That said, I am really curious at actual lifetime costs of a system like this, and if it makes up for lack of efficiency by being simpler mechanically (leading to lighter weight, less maintenance costs, etc.) I think thats going to be the big thing that determines if this is a viable commuting option vs. rich person's toy.