You might be surprised to find out that most people also do not give a shit when somebody takes a knee or raises a fist.
It is the media which attempts to provoke this kind of constant outrage, not so much the people. Not that a lot of people do not partake in it.
It is not so much a defense of the action, as it is a critique of a hyper-reactionary culture. In reality, unless there is implicit intent to establish a violent Nazi movement, we probably should not be giving a shit.
Most of us have done things that would be a cause of outrage to some people. We are just lucky enough, or not stupid enough, to have had it documented for everybody to see.