To me, the sign of respect is how you act during the anthem if you are on the field or in the dugout. I''ve never found the sign of respect to be whether you are present. A lot of people are late for games.. I expect latecomers to stand still wherever they are in the stadium but I don't find failure to be present for the anthem to be a sign of disrespect. Also, the Twins have a lot of players from foreign countries (or US possessions). I expect them to stand still if on the field/dugout but find no disrespect in their absence.