Mediocrity will always win in any market place.
There will always be more Chevrolet Malibus sold than Lamborghini vehicles. That is just the nature of any economic purchase. You may not want to believe this, but a lot of people buy a phone for no other reason than to talk.
"Good enough" rules in volume. Android was "good enough" for me, given that the alternative was to switch from Verizon to AT&T.