Nothing in the article argued otherwise.

The fact that these design decisions have been integral to making Apple one of the most valuable companies in the world probably indicates they were good design decisions.

Just because something is popular doesn't mean it's good, or a good decision. The use of gas for powering cars made a lot of companies very valuable, but one can certainly question that decision in light of the impact on the environment. One can cite plenty of other examples where a decision made sense if you look at it in a very myopic sense, analyzing only the short term financial implications... while the longer-term view yields a much different analysis.