I struggle a lot with the potentially nonzero overlap between a) "just legislate that being racist/sexist to people is illegal, then have judges interpret" (which is what seems to be simply necessary to actually make progress against the endlessly inventive evil of racism/sexism), and b) "but also don't simply make everything illegal because then abusers can selectively enforce the law to punish groups they dislike".…
Evaluating a policy based on Disparate Impact is important because it gets rid of the truck-sized plausible deniability of "Well, see, our policies aren't technically or intentionally racist, even though the end result is clearly that racial minorities are excluded/avoided/attacked/whatever. But since we don't specifically and consciously mention race, then we're in the clear!" It's kind of a corollary to "The Purpos…
Most of the criticisms of POSIWID in https://www.astralcodexten.com/p/come-on-obviously-the-purpo... seem equally applicable to your proposed corollary.