Not sure if your analogy is really proving what you want it to. The iPhone is still a small minority of phones in use worldwide.
Saying that the iPhone is a small minority of phones is similar to saying that Tesla will have a small minority of vehicle sales, which is undoubtedly true, but doesn't portray the reality that a ton of other car manufacturers will be selling electric cars.
1: http://qz.com/418769/theres-still-plenty-of-money-in-dumb-ph... (disclaimer: it was really just one of the first results when I searched for a comparison of feature phone vs smartphone market share)