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Essentially, yes. It's a narrow use case. I just thought it was interesting, so I wrote up a short summary. Not worth a deep analysis.

So you just delay getting your old ass rejected until they interact with you instead of some uuid?

The same systems that literally ask for your education history?

As a business, ideally you'd want to avoid unnecessary exposure to risks you didn't need to take. A job applicant may divulge whatever the like.