I would bet that a lot of it has to do with the outrage that occurred when Apple switched from the dock connector to lightning. People were up in arms about ho

I would bet that a lot of it has to do with the outrage that occurred when Apple switched from the dock connector to lightning. People were up in arms about how apple switched 'just to make more money' blah blah blah. I bet Apple will switch after they feel they've had the lightning connector out for long enough that they can say it was time.