Dictionary definition: “To manage or influence skillfully, esp. in an unfair manner: to manipulate people’s feelings”
This is a very harsh comment to make about someone that is using the best skills they have available. Try to imagine what someone with a personality disorder has gone through, and then think about what extremes you would go to protect yourself. Isn’t it true that life is a fight for survival or would it be seen that way through the eyes of someone with a personality disorder?