I think we had April Fool's Day already this year.
I've heard you guys are already fighting against overweight problems there in USA (and we will be following your footsteps even the problem isn't that severe here yet).
You don't need that invention. We don't need it. It supports unhealthy lifestyle. Better invention would be set those hamburger bars and other chippers behind some unreachable hinterlands and hiking routes so customers needed to work out a bit before reaching them.