So buttons are "complex" now? Well f*ck! It's a miracle non-gamers can use a phone! Or a microwave! Or a TV remote!
Sh!t, how do these people drive a car? There's all sorts of weird doodads! I have to turn the wheel in the direction I want to go at the same time that I turn on the turn signal and use the gas and brake pedals?! OH F*CK MY HEAD IS GOING TO EXPLODE!!!
Seriously Nintendo you're from JAPAN where EVERYONE has a cellphone. If the general public can figure out how to text each other they can figure out Guitar Hero. You're competing directly with one of the most popular blue ocean games by assuming the people find it too complicated. This isn't some overly complicated hardcore game on a competing console. This a game available on the Wii with huge mainstream appeal comparable to Wii Sports. This is direct competition and you're setting yourself up to get creamed.