It's still informative. If someone wants a technical job but doesn't have a degree in the field, it's totally legitimate to wonder why. Especially when, as you

It's still informative. If someone wants a technical job but doesn't have a degree in the field, it's totally legitimate to wonder why. Especially when, as you point out, it ain't that hard to get one. This matters a lot less for candidates with years of relevant experience in the field. We're talking about unproven candidates here.