I'm upvoting your first three sentences: It's true, Apple has indeed been vertically integrated for decades. My upvote does not extend to the last two sentence

I'm upvoting your first three sentences: It's true, Apple has indeed been vertically integrated for decades. My upvote does not extend to the last two sentences, however. This article is not merely about "have a good design and a low price". It's about focus: By building a smaller number of products with a much smaller variety of configurations and tightly controlled interfaces, Apple gets economies of scale that allow it to reach a previously unreachable plateau of quality-for-cost.