Trent Reznor Doesn't Owe You Anything
Now if you're just sad that the tickets were more expensive than you expected, or annoyed that tickets you wanted sold out, I understand how you feel. What I don't agree with is people who feel like this is some sort of betrayal by the band. If you think that Nine Inch Nails owes you cheap concert tickets in your city, you are entitled and delusional.
First off, don't mistake the fact that you like Trent's music for you and him having some sort of direct relationship. You don't. He chooses to produce his art, and we choose consume it. He chooses what to charge for it, and we can decide to pay that, or not. You don't know him, and he doesn't know you. TR is not your friend.
Listening to NIN for 1 year or 20 years does not create some sort of binding contract between them and you to provide their services at a price you find acceptable. Being a big fan does not mean you have the right to the band's output.
Let me first point out that the NIN fanbase is aging. Most fans are GenX or elder millenials. Many people that age in the US have a fair bit of disposable income and can afford to pay $1-400 for a concert once a year. If Trent decides to keep touring in to his 70s the price should be even higher.
Let me also remind you that Trent once experimented with pay-what-you want pricing with The Inevitable Rise and Liberation Of Niggy Tardust. Most fans chose to pay nothing.
If you're annoyed that the Peel It Back tour is too expensive, then don't go. If that makes you not want to listen to NIN, go ahead, listen to something else.