If you go to the Apple Developer forums (https://developer.apple.com/devforums/ Dev account needed) the "Getting Started" sub-forum is filled with devs, from just signed up to veterans with multiple apps under their belt, asking usability questions.
I think it's telling when your own developing base has to post to forums asking simple questions like:
Where did my spotlight search go?
How do I rate songs?
I think it's telling when your own developing base has to post to forums asking simple questions like: