If the FO was incompetent, then is it possible that he was hired not to meet a racial quota, but because US carriers at the moment are in a desperate shortage.
From what I understand regional airlines are taking pilots with 1500hrs and a pulse or otherwise are parking aircraft. Is Atlas in the same situation? I'm not sure but they don't strike me as being the most highly regarded carrier, and they are in a state of large expansion with the Amazon deal.
If they were at the point of an applicant shortage then I don't think they would care what race or gender a pilot was. Maybe they got to the stage where they would take any pilot who met the legal minimums, regardless of competence?