Artists do have some control over ticket prices, they can choose to take out less extravagant productions and do a more bare bones approach for their shows. The more it costs in production, the higher the ticket prices are for fans.
How many people want that kind of show? Its like saying I can go to the fair or Disney World.
Problem I have seen locally is Craigslist. I bought tickets for a local event and it sold out the day tickets came out. Tickets are double what I paid for my tickets.
And for folks saying $100 for tickets is expensive well it all depends. I once paid $100 for a show and took a 2 hour plane ride each way and a 2 hour car ride after that to go a concert. Spent 24 hours on the ground and flew home. After all said and done I spent about $400 on the concert. It was only 1 of 2 shows done in America.
And yes I would do it again.