There's No Such Thing as Real Vegetarians
munchies.vice.com
munchies.vice.com
There are many good arguments for saying vegetarianism is ethically not strong enough (e.g. the amount of critters killed in modern agriculture) but this ain't one.
And even then - if vegetarianism in his world is not ethically defensible then eating animals would be even less defensible. Settle on the smaller evil and you're good to go from the position of most ethical systems.