This guy didn't think further than the end of his nose when he screamed at the student.
Actions have consequences, especially in today's world with smart phone cameras.
A PhD with no common sense.
A
PhD in education can be phoned in and if you are working in the field its even easier.
More than likely he is an EdD than a PhD. Doctor of Education. Easier to get than a certificate in plumbing or auto mechanics. Most EdD degree programs are diploma mills. They are all odious as left wing hellholes, too.