A time for everything and everything in time. A place for everything and everything in it's place.
You want to exercise your right to protest, you have a purpose in mind, choose the right time and place and do that with conviction and justification and I'm sure the society will hear you.
I don't think the person in concern chose the Movie theater to do that. He was simply being disrespectful, without any particular purpose or agenda, to the nation in general, and those who were standing right beside him, in particular.