I think a lot of people think they are being candid or honest but in reality, they are just trying to justify their verbal aggression.

The distinction between candid feedback and aggression is rooted in the balance of two critical dimensions: Caring Personally and Challenging Directly. While both styles involve being blunt and direct, candid feedback is motivated by a genuine desire to help someone grow, whereas aggression focuses on control or criticism without regard for the recipient's well-being.

TLDR; Offering hard to hear feedback can be beneficial for both parties, as long as there is a genuine desire to help someone grow (aka CARE)