The assumption appears to be that all development of iOS apps is ultimately funded by Apple, or that Apple could somehow make all apps on its platform magically

The assumption appears to be that all development of iOS apps is ultimately funded by Apple, or that Apple could somehow make all apps on its platform magically work equally well on all devices. But I admit I'm just guessing here: "I am not able rightly to apprehend the kind of confusion of ideas that could provoke such [an analysis]."