Live interaction with a crowd is a cathartic, spiritual kind of exchange, and it's intensified at a festival.
Making noise is easy; making stuff people understand is an easy thing to do.
Nine Inch Nails is like building an army to go conquer. We build it, then we play, and we have to play so much to validate building it, financially. It leads to getting burn-out because a tour that would be fun if it lasted three weeks has to last 15 weeks.
Being in a band with my wife, I'm very aware of the multitude of ways that can go wrong. We're best friends and are interested in the same things, so it's natural to make music together.