I am talking about a single person. I’m not going to name them for obvious reasons but they are in an area where the commercial desire for PhDs is extremely high, and the compensation vs that of academia is also higher. They were disappointed with the PITA and politics aspects of academia that they made the decision that their line was ending with them. We sometimes for our own amusement trace lines of descent in academia - who was a student of whom, and what that means for their core ideas and approaches - and he decided that he would not be bringing any more academics into the world.

It's to protect them. Academia is not nice to those who just want to do X due to the publish-or-perish model. You can teach with a master's.