I concede that it may be censorship. So is Walmart's decision not to sell certain CDs or Blockbuster's decision not to stock certain movies. Android Marketplace (or Google Play) has more apps than the Apple App Store (http://www.androidauthority.com/google-android-market-vs-app...). Clearly, Apple's policies have not been imitated. Apple's censorship has, in fact, become a point of differentiation for other markets, thereby drawing more attention to the issue.
And I don't concede that young people will accept censorship of software because they're exposed to apple products. It's all conjecture but given that Android phones are cheaper and have more market share then iOS I find that last statement to be extremely speculative.