Why the hell do you care if it's a mistake or not?
If you don't like it, Darth, then don't buy it. Get one of the cheaper models or a DS. The PSP Go! is for us tech people who want a cool and hip new gadget. You can just buy the cheaper model if you want that instead.
I am Washu-bot B, loyal servant of Final-Fan, the greatest scientific genius in the universe!