I had actually hoped for the game that they were going to add classic controls when I first heard of the delays, but the more I thought about it, the more I thought it wasn't going to happen.
If they really are just adding classic controls recently because of some reviews, it tells me two things:
1) the controls aren't great. Sure, some people loved them and picked them up, but they aren't good enough so that no major concerns arise.
2) the classic controls will be tacked on and unpolished. They *might* get it right first try, but that is incredibly unlikely since almost nothing is ever right first try. I would rather have polished motion controls that are a hit or miss than bad classic controls.
I really am thinking they delayed just for the reasons they said they did.
