Earlier quoted context omitted.
There is only one way to win and that is to publish. Innovation in this field doesn't happen in a vacuum but by multiple simpler components combine in ever more emerging complexity.
Apple can free ride on other people publishing and synthesise in house. The field might lose out (but there are always free riders) but does Apple?
Yes - those in the field who prefer to publish will not be willing to join Apple. How much of an opportunity cost this is to Apple remains an open question.