oh hey buddy, we dont give two shits about you

He wants to be an exhibit to show the horrors of war so that he can make money for himself so he can be sent back to America. It’s against regulation because they don’t want people to see the horrors of war. Its not really against regulation but the hospital just doesn’t want to deal with him. They want him out of sight out of mind. He doesn’t matter to anyone and this bothers him. It is even worse because they listen to his wants once they figure out his Morse code communication and then when they say no, they don’t just say no and crush his thought, but they sedate him so they don’t have to deal with him. He then realizes that he really does wish he was dead.