Lack of interest me thinks. I foretold this would happen. Twisted tail! A thousand eyes! EPA! EPA! EPA!!!
My prediction threads:
Wii U will sell under 40m units (made on 14th September 2012)
PS Vita will sell under 20m units (made on 30th September 2012)
Wii U will sell under 7m in 2013 - I was right