Well written comments on the issue.
As a Mgr. (with an MBA) at a major defense contractor, I experienced applicants sent to me by jerks in HR to interview. The worst were MBAs from Stanford and Harvard.
The job openings didn’t require an MBA. Their schools had oversold the salaries they could demand and get with those degrees. Their asking salaries were typically 25-50% higher than our Mgrs’ and Director’s. Plus, they had no experience or skills specified for the open jobs.
HR personnel must get points for arranging interviews and wasting the time if interviewers.
A company I worked for had a policy of NOT hiring people from the Ivies and other elite schools. To much hassle for to little work.