I've read other places that Apple will return to Samsung for the 14 nm process in next year's phones. Yes, this is a lot of money lost by Samsung this year, but I agree with the poster above that Apple is diversifying, and that this is not really a punishment of Samsung, just a solid business choice. Next year Samsung has the edge in going to 14 nm that TSMC doesn't have.
Either way, it's good for Apple, and us. :-)