The one platform I have all to myself all the time is my iPhone. Therefore, technologically speaking, I have a lot of mindshare invested into it. It is my main window to the world in many ways. It's how I communicate with my family and friends, it's how I surf, it's how I listen to music, watch movies, play games, etc. It's also the first time I've invested so much money in a phone and the first true smartphone I've ever owned.
The first rule of being truly happy with what you're using: don't listen to hype. There are, however, facts:
Android may be gaining at the moment, but it has a
long way to go.
And, if for some reason there were more Android phones than iPhones out there, does that mean you can no longer use your iPhone to listen to music, watch movies, keep in touch with your friends, etc, etc?
Of course not! It will still work just fine, and Apple will continue to support it. The iPhone pretty much made smartphones what they are today and regardless of what you believe about which platform came first, it's clear that without the iPhone, Android and other smartphone would not be what they are today without it.
Besides, as an OS X and linux user, you should know full well that market share doesn't always equate to what's good and usable. Linux and Mac both have single-digit percentages in desktop market share, and yet both platforms are still well supported, either by their community or by the company that makes them.
So in that specific part of my life, yeah, I worry that I made the right decision. And when I say "right" I don't mean market share so much as I mean an OS that will enjoy continued support in the future.
You are allowing the verbal stylings of bloggers and fanboys get to you. There are no "iPhone killers," so don't worry. iPhones make MILLIONS for Apple, a company with
$46 billion dollars of cash in the bank and ZERO debt.
Apple isn't going away, and neither is iOS. So, relax.