yes, phones should be banned during concerts.. Most people are nowadays concerned about showing others what they are experiencing more than experiencing the same thing themselves.. Also, when people try to record videos, it disturbs and abrupts the view of the people behind them.. Some people think it's common and normal to do so, but that are not good manners.. Moreover, there are cameramen provided by the artists themselves who record some shorts of the function.. As for the vibe part, it's much more fun to experience it through your eyes rather than seeing it through a CAMERA