These questions often ignore the investment (both in time and money) people have made in a particular platform. Even if you assume each platform is equivalent (

These questions often ignore the investment (both in time and money) people have made in a particular platform. Even if you assume each platform is equivalent (which isn't true), there's still switching costs incurred moving from one to the other. For many people those switching costs will outweigh any costs incurred from the chip transition.