That's not the issue, it's future availability. If he does further damage playing in a game that is 99% likely a loss, it's not very smart to be "macho".
I have over 40 nieces & nephews/great nieces & nephews. Soccer seems to be the main sport, not many of them care about the Bills or the NFL, some care about the Sabres.
I think it's a good thing if the NFL gets knocked down a few notches.