One of my BILs was a white who was bused to a nearly all black school back east in the early 70s. He and his 2 brothers didn’t eat or drink in the mornings. They said going to the bathroom at school would have been an automatic trip to the hospital, and picking up a basketball at the school a death sentence.
One went on to do foreign aid work in Africa. He loved working with blacks in the rural areas but they told him to never enter the city without one of them along to make sure he didn’t accidentally enter the wrong part of town. They told him he wouldn’t survive that sort of mistake.
My radar is quite attuned to who is black vs who is an “N”.
If my radar doesn’t give a clear signal, I just avoid.
It doesn’t hurt being a built 6’2” 215.