GameStop alone sold 320k Wii U consoles. They say the launch was successful

[NintendoPie]

superchunk said:

650k in Japan
320k in Gamestop only... X3 for rest of stores = 1M for US/AUS
Then a few hundred thousand more for Canada and EU... easily hits the 2.5m VGC estimates.

Where did you get the 1 Million from?