So, I guess they just want us to stand there and stare at the band with a blank look on our faces. What kind of fun is that?
Venues can be held responsible for any damage done or deaths that occur to anyone within the grounds or building. It's called covering their own asses. Find another way to enjoy music while acting like a complete and utter fool.

I haven't ever been to a concert (don't bother with the retort, Ceej, I know it already) because I do not enjoy loud deafening sounds.