The main problem was that Nintendo did not realize that HD would push their game development schedules back, and so they are rectifying at their own pace.
Nintendo is a slower moving company yes, but their actions are deliberate and they don't go into a marketing panic. Yes, they probably should've had more realistic sales expectations. But they have admitted to that and they are attempting to speed up development (without rushing through things). You don't hear as much because it is all internal, but when they are ready they will market their new games better.
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