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>a single anecdote does not a convincing argument make
It isn't an anecdote.
People submit binaries to Apple, and they either do static and dynamic code analysis, or they don't. I have never heard about them rejecting an application based upon such analysis, and in this case we know that it was an incredible deviation from the stated purpose.
But let's assume they do start doing such analysis -- because they have such a limited runtime security check, to circumvent it is trivial obfuscation. Of course developers needn't even bother with that.
The reality is that we have no frigging clue what apps in the App Store are doing -- Android is an open enough, transparent enough ecosystem that it is an easy, obvious target for researchers.
No one, to my knowledge, is doing similar analysis of the iOS market.