Even 1%er’s are due SOME amount of respect.
In any case, one would have to be a fountain of ignorance, stupidity and vacuousness to be so blind as to be incapable of reading United States Marine Corps on a jacket or a shirt or a cap.
Defend the “manager” all you want, he is still a waste of human skin.
It is best to treat them with respect, because you really don't want to be the subject of another patch on a jacket.
I've met a couple of them. Nice, laid-back people as long as you don't cross 'em.
P.S. Never borrow money or anything else from them.