I think he meant data, not date.
Sure, the game reads off the disc a lot but that's hardly detrimental to the console. It's not like the PS1 where the guide track and laser were off the shelf CD player components. The Wii, and the GC before it, use a high grade Matsushita drive so it's not going to wear out anytime soon regardless of how disc activity it gets.
The rEVOLution is not being televised







