I know you saw it before because you commented on it… but for anyone else who wanders by, I wrote about the counter to Dana’s point here before:

1) This country is founded on protest and the flag doesn’t really mean that: http://www.chrismaverick.com/wp/2017/08/15/the-lie-of-the-anthem-and-the-flag/

2) even if it did, compulsory salutation is meaningless and actually lessens the tribute of those who do want to stand for it: http://www.chrismaverick.com/wp/2017/11/03/seriously-just-salute-the-other-flag/