No, but it matters that you can't get any because some adversary decides to cut your supply. Protecting your supply by force is obviously easier if the source is within the borders of your country.

This is the basic reasoning of every "national security" argument about having domestic production.

The parent is merely stating that basic necessities are also important for the well-being of the nation, it's not just about the IC for ballistic missiles or the 3G circuits that allows Trump to always be on twitter.