Why is Rock Band 4 So Expensive in the UK?

I played some more Rock Band 4 at Gamescom this week, trying out the new soloing. I had a great time. But I got an unpleasant shock when I looked up how much the game is to pre-order.

I hope you kept your old Rock Band equipment, because it turns out that Rock Band 4 is going to be really quite expensive here in the UK, despite Mad Catz stepping in to publish and distribute the thing worldwide. The game plus guitar bundle is £109.99. The Band in a Box bundle, which includes a pretend Fender Stratocaster, the new drum kit and a microphone, is £219.99.