

On the one hand, scurvy is not a concern, because it is very unlikely to develop it, even with a bad diet, as far as I know. On the other hand, it might not be possible, economically viable or environmentally sound to add vitamin C to water in the way fluoridation is; I don’t know enough to judge here.
I think this
charadeparade is both a play to his MAGA base and a sort of loyalty test to see who in the military goes along with him.