I mean, to give a different guess - it could be to ask her to e.g. stop bullying other members of their department; no differently than the politics of dealing

I mean, to give a different guess - it could be to ask her to e.g. stop bullying other members of their department; no differently than the politics of dealing with an employee from a different department stirring up trouble. This doesn't mean that it's intimidation or "trying to get her fired" (although I am sure that does happen). IMO she does generally tend to suffer a bit of a victim complex.