There could be some people who are afraid to be seen as involved in criticism of the administration, either for themselves or students/staff in the lab, for immigration or funding reasons. Not sure how relevant this is or how aggressive the approaches are. It would be helpful to hear from a neutral eyewitness.
Another thought:
There could be some people who are afraid to be seen as involved in criticism of the administration, either for themselves or students/staff in the lab, for immigration or funding reasons. Not sure how relevant this is or how aggressive the approaches are. It would be helpful to hear from a neutral eyewitness.