This seems totally pointless seeing as he's basically do the equivalent of removing the rear door handles. Bondo'ing the rear door seams and calling it a 2-door is like putting those gay vertical door hinges on a car and calling it a Lamborghini. Sorry but this seems like a stupid idea to me. Not to mention that your back seat is basicall unaccesible now and unusable by anything other than a dog that can jump over the center console armrest to get back there.
If the front doors had be lengthened another foot or so, then I would change my mind. But THIS project is just silly.