Let’s zoom out a bit. The big picture is that by using discrimination they are not hiring based on merit and therefore the ability to produce the best goods and

Let’s zoom out a bit. The big picture is that by using discrimination they are not hiring based on merit and therefore the ability to produce the best goods and services is impaired. If these discriminatory hiring practices put them at a productive disadvantage, then companies that hire out of merit should, over time, outcompete them in a free market and put them out of business. No regulation required.