Never on 22 May 2014
By a small amount. There was so many things nintendo did wrong promoting the product, but not letting the wii go out with a bang or releasing a mass of quality wii u games near launch were probably the big issues.
People were afraid that the wii u would be as empty as the wii was during the end of it's life and Nintendo did little to counter that. Naming confusions would have been largely solved if the product was more talked about and games are the best way of doing that.
