I mean so was I, and I still do. Grew up an Army brat, and now both of my brothers serve. Others weren't raised that way, or grew up and found out they didn't care about the symbolism as much, and so they don't. That is part of the beauty of America, the government can't compel anybody to perform any sort of patriotic ritual if they don't want to. The people banging the drum the hardest for individual liberty lose that zeal when people (often black people) want to exercise that liberty in ways that upset their sensibilities. Kneeling before the anthem is protest, undoubtedly peaceful protest, and everyone should want to protect people's right to peaceful protest