The only CS professors I had that were worth paying attention to were the middle-aged guys that semi-retired after 20 years in industry. They knew real things,

The only CS professors I had that were worth paying attention to were the middle-aged guys that semi-retired after 20 years in industry. They knew real things, had solved real problems, and had lessons to teach. The pure CS academic pipeline types were complete space cases. Just out in la la land all the time.