In large part, you are correct. There are some professors who do have a good deal of life experience and broad knowledge, but they are becoming a rare species.
“There are some professors who do have a good deal of life experience and broad knowledge, but they are becoming a rare species.”
...true...and to think, I had professors that had fought in WWII!...today it’s rare to find a professor that’s ever served in any branch of the service.