It’s all about race with these brown nosers
They’re cowards, so afraid they’ll be called “racists” if they actually speak their minds
Just like not speaking out against Kaepernick in the first place. They’ll criticize others for non PC speech but defend any left winger’s, no matter how obnoxious.
ESPECIALLY if BLACK
It obviously wasn't terribly important to Mike Tomlin at the time. He was standing on the sideline with three other coaches while the national anthem was being played.