Why is "Nintendo" used as a qualifier for games?

[Zekkyou]

JazzB1987 said:

Nintendo = polish (no not the nationality) + little details that are completely irrelevant but still there because they love making games.

Another thing that comes to mind is this:
Platinum Games works with publisher Nintendo
= Bayonetta 2

Platinum Games works with publisher Activision
= Legend of Korra

One gives you enough money most importantly enough time the other one does not.

That's hardly a fair comparison. Korra was a download only license title. Platinum will have known the budget and development time frame before signing the deal. If it wasn't enough, then that's their own fault.