That interview was a great summary of what's going on in the industry. Kid Rock realizes that keeping his die-hard fans happy works out better for him on the tour circuit, since they'll spend more on t-shirts and other things while they're at the show. If they have to pay $400 for a ticket, there's no budget left for a high-margin souvenir.
It's the internet age as well and he realizes that. The moment he tries to charge a market price for every ticket, he starts eroding his fan base.