> The issue is that as a society we've (mostly) decided that unfairly classifying someone based on correlated but non-causal characteristics is wrong, EVEN in the extreme that you're right more often than you're wrong if you make that assumption.

That sounds like the wrong basis for calling it extreme. It's not at all extreme to say that classifying an interview candidate based on correlated but non-causal characteristics is wrong, regardless of the statistical significance of those correlations.