As I've said in the past (in the context of exit interviews), I don't think offering useful tips to your soon-to-be-former employer needs to be a priority;

正如我过去说过（当时的背景是离职谈话）的那样，我认为给即将成为前老板的人提供有用的建议，不必成为你优先考虑的事。

youdao

He said one former employer had reacted badly to a previous study he carried out on the subject as it had "hit international press in India which was a big market for the university".

BBC: Students working in sex trade increases over 10 years