> In fact, a recent study of Facebook ads shows ads were 1,790% more profitable on iOS. This is extremely incriminating for Android and is the worst kind of news for Google.

I don't really know or care enough about the issue to have an opinion on the other points, but this one jumps out as kind of odd. Assuming the number is correct, is comparing Facebook ad revenue a meaningful proxy for overall viability of the platform as a money maker for, say, app developers?