You're not a designer, either. On the Mantle of Bullshit and the Dunning-Kruger Effect.
The Dunning-Kruger Effect is a phenomenon in cognitive science asserting that incompetence prevents the incompetent from realizing their incompetence while simultaneously causing them to rate their own competence as greater than that of the truly competent.
It is clearly indicated in many work environments, case in point at large technology