I thought they called it that because the Wii was still going to be called the revolutionand they were scared of releasing an XBox '2' as that dated it to the PS2.
(
HappyToast Groat froth,
Thu 5 Jul 2007, 16:28,
archived)
This is also what I thoughtOnly minus the revolution bit, although that does make sense.
(
Shada,
Thu 5 Jul 2007, 16:33,
archived)