I agree with you. They made a politically incorrect statement that offended some people. Maybe we should ALL be less offended about freedom of expression.
If, instead, it were a "black lives matter" sign, I'd be offended. All lives matter, and that whole movement is racist and deranged.
They seem to be wearing confederate uniforms
= = = = = = = = = = = =
From what I recall, at one time the Dress Uniform Blouse was a powder gray, with white trousers and Black Chevrons where applicable—
which could be construed as ‘Confederate Uniforms’