Per one of the various disagreements in this thread:
I just was listening to a veteran that had lost his legs serving our country. His take was this, he is not upset with Kapernick sitting down as much as he is with what he said afterwards. This guy said, look at the military. It has come so far with regards to officers, race, opportunity and promotions. He said that when he was at war, he had his "brothers" at his side. He didn't care about race. He said that, and I am quoting him here, "when someone speaks of oppression, do they understand the improvements since the Civil Rights movement and how far our society had come." What was tough to take was his statement that he'd give anything to stand one time for the National Anthem.