I made no mention of pricing. And simply put: you don't maintain relationships with retailers by only providing them the opportunity to stock your software weeks after it's been made available for sale directly. You may not be familiar with how the wholesale/retail market works (I don't mean that insultingly), but there's a difference between catering to and actively harming that sort of relationship. The way wholesale pricing for first-party Nintendo titles is structured, they don't make room for competitive price-drops without eliminating the incentive to carry the games in the first place. When they, in effect, eliminate even the potential to sell to the more dedicated early adopter crowd, and when in the state of their Wii U system that's all there is, you should be able to see the problem they make for their partners.
Unless Nintendo wants to design its model in a way where markups make this sort of dynamic acceptable to retailers, or to sell their product directly to consumers (which would be challenging on the hardware front), this is problematic in exactly the way I described.