Since some Native Americans and international students find the American flag just as divisive, this situation could have easily involved that flag as well. It created an atmosphere where some felt unwelcomed. I find this situation is a good example of where someone’s off hour activities has an effect on their employer, intended or not.
So there you have it. Kinda backs my point.
Although I didn't quite say if you can't have one you can't have any, but that's pretty much the gist of it.