And from the OP, it sounds like the guy does not take criticism very well (or takes it too personally). If the message is being delivered face to face, I'd be aware of that and make sure to keep the emotion out of it.
I'm the weirdo who has never owned an iPOD, and never cared to. I've had other mp3 players, and still have a Phillips Songbird I bought around 15 years ago. Never cared for iTunes, especially in the early days where they made it a complete pain in the butt to get music in anything but Apple's...
If you're a big fan, you should go. We tend to regret things we never got around to doing. Keep an open mind to it, relax, and enjoy yourself.
You never know how many more opportunities you may get to see him in concert. And at any rate, he's not going to be getting younger and more energetic.
I don't understand this thought process personally. If your nice shiny new car got a ding in the parking lot, would proceed to relic the rest of the car?
But as others have said, if the owner (and/or you) likes it, who am I to judge? We don't all like the same aesthetics. I think Bigsbys are...