You are assuming "diversity" is worthwhile, then working backwards from that assumption, justifying the actual discrimination, all to arrive at a begged conclus

You are assuming "diversity" is worthwhile, then working backwards from that assumption, justifying the actual discrimination, all to arrive at a begged conclusion. If diversity was worthwhile - leading to productivity gains or whatever metric, then evidence of that would had manifested by now; and we wouldn't have to put an inordinate amount of effort into shoehorning diversity, for its own sake.