Why is anyone expecting a re-release of a game on a low selling console to sell amazingly well? WW HD should have reasonable but not fantastic sales. If Ocarina of Time on 3DS can't reach 50% of the sales of OOT on N64, then Wind Waker HD isn't going to come close to 50% of WW GC sales.
I think it can do 1 million LTD, which is fine and not a criticism at all because HD re-releases aren;t meant to sell huge numbers and making 1 million in sales is more than adequate. But 1 million, over an extended period of time, isn't going to do anything for the fortunes of the Wii U. If anyone was expecting WW HD to be part of the saving of Wii U then they were not being realistic about what a WW re-release can do.
So for the OP to say it got a mediocre debut, to me, suggests an unrealistic expectation. I think a top 10 spot for WW HD on debut is a good result and meets expectations.
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