Typical "professor" - those who can't do, teach.
What this guy doesn't understand about today's political and social climate would fill an ocean, what he understands would fill a bathtub.
Problem is, policy is set by the academia type and they get paid a lot compare to an average person whether they are right or not.
Edit:
Forgot to mention, they also shape the mind of your kid and new generation of youth.
Hey! We also do 90% of the research that leads to all of the technology we use today. I think many people don't realize that all (almost) of the famous scientists are university professors. We don't just teach classes!