Why would Apple want to put Qualcomm out of business? It's because Apple uses a lock-in strategy, where once on an Apple platform it is painful to get off. Most of the smart Apple iPhone users I know actually use Google apps and Google's infrastructure and other third-party tools on their iPhones, so if they want to move to an Android phone they can move almost seamlessly. However, this always assumes there is an Android phone to move too. Since Qualcomm ensures that almost anyone can build a decent smartphone, Apple wants to kill the company.