[Zirro]

There's more to the word "lead" than market-share. Apple makes a much larger profit for each phone sold compared to other companies.

[usaar333]

For a platform the third party ecosystem is super important. That is most affected by # of users * how much each tends to pay. iPhone uses tend to be willing to pay more than Android users, but at some point the sheer number of Android users can make Android win out.