I think that he asks for the money not because he wants it but to see how serious some people are about saving the others life because in most cases they say they will work it off for the rest of their life
just think aboit this if he doesnt demande taht much money anyone could coem also all people who arnt seriously injured, so how shoudl he pick teh patients if he demandes that outrages sum only few peopel are left, teh serious wounded