It's definitely fair to check this. Also I think this works very well when the hire worked in a well-ordered place beforehands. On the contrary, if someone work

It's definitely fair to check this. Also I think this works very well when the hire worked in a well-ordered place beforehands. On the contrary, if someone worked at a toxic work place before - it's probably counterproductive to ask colleagues or even managers. Odds are high the person is exactly leaving because of that.