So, why aren't Android apps already of superior quality?
But aside from all that, this discussion is not really about quality per se. It is about figuring out your business idea, getting it right. Whether you then go and execute it well after that point is a different point.
But surely the same logic applies to this too. Why haven't we already seen all kinds of innovative business ideas emerging through the rapid iteration that Android supposedly enables?
iPhone caught on for the phone itself, its ability to browse the web and make calls. iPhone didn't even start out with apps. Even then, apps didn't come into play because customers demanded them.
*no = very insignificant