Is Nafsi Education Prohibited?
No. It is as good a thing as any other science when used for good. We know that a man in the court of the prophet King Solomon knew it and his service for bringing the throne of the queen of Sheba was appreciated by the prophet Solomon and he thanked God for having such a man in his court.
For comments of Ghamidi Sahab , please refer to the video below from 29:24 to 35:43 https://youtu.be/dEdzI-Xk8DQ?t=1764
Please also refer to the video below from 11:56 to 14:11 https://youtu.be/8WBXmHgtvgM?t=716