Need to study a bit more but is it true that iphone user must know less than Apple. Not true in many software as programmer of say office may know its level of

Need to study a bit more but is it true that iphone user must know less than Apple. Not true in many software as programmer of say office may know its level of details but may surprise how users are using their software. In fact many examples like Visual Basic, HyperCard, Ibm token ring, xerox music and ... sorry maker has more power but understand their own technology and how it can be used ... why we need to ask users and why many hw/Sw abandon. But the staging is interesting. Let us hear more.