Don't beat yourself up over it. I've quit trying to justify my minor financial support of the PT. We're geeks- what can we say. GL will do what he will; he is his own king.
I think you owed it to yourself as a fan to see it at least once in the theater. Best case scenario- you find out you like it and are glad you went. Worst case scenario- you find you hated it and now have something to bitch to us about. Or, you're somewhere in between.
No harm no foul. We all know your heart is in the right place....
(in a jar on GL's $100,000 desk..... AHHHAHAHAHAHAAAHAHAHA) <- just kidding!
