Arguments against Christensen

But there are other, more difficult to quantify costs. […] Business buyers – and the analysts who study them – simply ignore them, but consumers don’t. Some consumers inherently know and value quality, look-and-feel, and attention to detail, and are willing to pay a premium that far exceeds the financial costs of being vertically integrated.
— Ben Thompson in What Clayton Christensen Got Wrong

Good arguments against low-end discruption.