Personally, and I don't believe it is just me, but when I hang around friends or people close to me I tend to forget our cultural difference and just hang out and have a good time. It's not until someone outside mentions that you're different from the rest or says something to distinguish yourself out of the group that you are reminded that you, yourself, are different. The way that person mentions you could be said in a joking manner or a more negative manner. Or the way they said the distinguishing factor could be positive as well.
For Adrian Piper's art piece suggested by a fellow classmate, that was actually an interesting piece. So thank you anonymous classmate. Art doesn't have to be a painting or a sculpture, but something as basic as words on a piece of paper and the fact that Piper can get meaning from a short paragraph is key. It wasn't a card that was a personal attack as stated by the last two sentences in her "piece", but just something to remind other people for. Because the person causing the disturbance may not be aware that they may be hurting others. And the fact that she passes these out instead of calling them out is much more preferred in that it wouldn't embarrass the person in front of the crowd, but more like, "oh I noticed you were saying something that may have been offensive could you possibly rethink of something else instead." Which isn't as aggressive and wouldn't cause any big conflicts to arise. Some times people forget, I m
*Disclaimer as always. Comments are open. I do read all of them, though I may usually never respond back. But just know I do read my comments, so feel free to respond.