Do you have any statistics on that? Android seems to be selling well to the masses so i just want to get an idea who you are referring to as "majority of users".
I think you might be taking it the wrong way.
I am young, would classify myself a power user when it comes to tech... And I see how android being open might be a problem in the near future.
The unification of ios (and osx) makes it easier for the mass in the long run, the simplicity of it... Never having to deal with common day to day computing issues that windows and possibly what android might have later on.
At the end of this period of tech, will android be open... But a pain to deal with, that only really savvy users will be able to handle? Possibiliy. But that won't ever happen with ios and future macs, because of the unification and control that apple uses to ensure easier and more accessible tech.
Plus if you want open, just jailbreak your ios device. Most jailbreaks are single step process now. The ios platform is as open as you want it to be.