I get the idea that people like Coach are more offended by the cause (BLM) then by the actual protest.
For instance, if a group of Christian players refused to stand for the anthem after the US legalized gay marriage, what would the reaction be?
I'm sure that many of the same people who are furious with Kaepernick would be defending those players. Meanwhile, many of those defending Kaepernick would be furious with those players.