If Wii U had a different name would sales be higher?

[Damkos]

I always wonder - there is Sony xperia Z, Sony Xperia E, Sony Xperia S, Sony Xperia P, Htc Desire Z, S, C. People get that it's a new phone. It looks different too.

So what is the problem with understanding that Wii is not Wii U?