You joke, but that’s what they do. Even with no rule change, the obligation to have IAPs has clearly ramped up in the last year or so, simply by getting reviewers go through each and every app-screen with a finer comb. What else will they ramp up in order to increase their profits? All developers in the appstore are effectively sharecroppers; when the landowner needs some money, he can squeeze them at will.
Apple is going to force all apps that offer messaging as a feature to integrate with iMessage!
Apple is going to force companies with an iOS app to turn over 30% of their total gross revenue! And it's additive!
If you don't buy an iCloud subscription Apple is going to randomly delete some of your alarms!