"Thirdly, it's maintainability. The large scale robot's body contains various spare parts that operate like the human body—two hands, two legs, five fingers on each hand, a head, a neck, and so many joints need to all be inspected by the technicians every time there's an attack. As long as one joint has a problem, the entire robot will run into a problem too, and this maintenance fee is too high."
Alright, set up a Gundam, and after it was barely used for a few times, it would have to go on strike from work—as long as any of the spare parts run into any issues, the entire month's salary of the technicians was gone… So, you know…