Because it lets people feel better about themselves and is - superficially - justifiable. A lot of what we do in hiring, even in tech, is effectively just ways

Because it lets people feel better about themselves and is - superficially - justifiable. A lot of what we do in hiring, even in tech, is effectively just ways to whittle down numbers of applicants, but even here on HN there are people who will insist their way of whittling numbers down improves the applicant pool, because hand-waving and superficial logic.