It isn't like the law is being enforced in any case-- as people are posting all over these threads the diversity policies are explicitly "fail(ing) or refuse(ing) to hire or to discharge any individual ... because of such individual’s race, color, religion, sex, or national origin."
So really, GP poster got their wish-- companies are just not using their ability to ignore the law the way the poster expected.
So really, GP poster got their wish-- companies are just not using their ability to ignore the law the way the poster expected.