Great point. Right now, I am working on a post on the subject (in the context of the historical struggle African Americans, and other minorities, for that matter, have fought and eventually won). Most commentators focus on the legal aspect of the matter, and forget the moral implications of obeying unjust or decontextualized rules/laws. History, in the sort term, will prove legalists wrong. There is a simple thing called cause and effect. Respect is not intrinsic, it has to be earned. Blind obedience to law, especially when law is unjust is worse than anarchy. Before anyone thinks that patriotism is a good thing, think about what authoritarian regime have done around the world in the name of patriotism.

Here's my take on the issue: https://steemit.com/trump/@hlezama/trump-vs-the-nfl