I can't read the article, so I don't really know what they are arguing for there. The headline sounds a bit click-baity, so I don't want to guess what the content is.

But looking from a sex standpoint blind auditions are responsible for a sweeping change in the ratio of men and women in professional orchestras (though men still outnumber women %60 to %40, but that is from a near %100 a while ago). This is absolutely a case to look at to demonstrate what unconscious biases are, and a wonderfully effective way of fighting it in one specific place.