Software will not boost Wii U hardware, this is true. Not because of the games themselves, but because historically software does NOT push long-term hardware sales.
Big-name franchises can move some systems when they launch, but that's a very fleeting increase. And I'll grant that the strength of the software can help maintain high sales following a price cut...but they are rarely, if ever, the cause for a long-term sales boost.
I believe in honesty, civility, generosity, practicality, and impartiality.