Earlier quoted context omitted.
Sure, but some fan wasn't going to make it either way. Why should the fan who is willing to pay more money have to miss out, in favour of a fan who is paying less money?
Why not? The only reason to believe this is to believe that having more money means you're inherently more deserving of things, no matter the wishes of the people providing those things.
He obviously is willing to give you more, so give it to him. That's fair. That's life.
EDIT: And if you sell it to me for $1000, don't be surprised if I turn around and sell it to the $2000 guy. He wants it more than I do, and he's going to get it one way or another.