Should people be posting public comments while the President is speaking?

I was in a restaurant where the President’s speech was being shown on a local tv station. My husband asked me why it was being shown in a window. When I got closer, I saw it was so the tv station could post audience comments on the screen as Obama was talking. Have we reached the heights (or depths) of disrespect when people can’t even listen to the whole speech before having their 2 cents aired? Are we so attention deficient as a society that we can’t wait our turn to speak? Your thoughts?