Unless one can give a precise definition of "nerds" that proves they are not, and can never be, part of the "general public", this is simply a circular argument

Unless one can give a precise definition of "nerds" that proves they are not, and can never be, part of the "general public", this is simply a circular argument (people who care are nerds, nerds aren't part of the general public, ergo the general public don't care).