Here’s a questions that prospective grad students and post docs might want to ask prospective supervisors.
“How did you get along with your main supervisor during your Ph.D.?”
Because patterns tend to repeat. You know the old saying that children of alcoholics, children in abusive home, are the ones most at risk of becoming alcoholics or abusers. I suspect that many people mentor their students the way they themselves were mentored, whether consciously or not.