I don't believe they need to downplay at all -- in any rational analysis there is no reason they would include, for instance, someone clicking on an ad on a web

I don't believe they need to downplay at all -- in any rational analysis there is no reason they would include, for instance, someone clicking on an ad on a website. It is not reasonable to call that "Android revenue", just as it isn't "iOS revenue" if someone clicked on an ad on The Verge in Safari.