I mean, they for sure have employment contracts that provide stipulations. What those are exactly, I don't know. It's currently not clear whether their involvement is illegal or not. It certainly seems that it was illegal.

It just seems outright wrong that law professors, or any professor, can be part of, help orchestrate, benefit from, and support massive fraud and still keep their jobs. Not only is it wrong, it also just seems like a plain bad idea to have your students learning from such corrupt individuals.

Do presidents of the United States have to live ethical personal lives?