One important distinction is between holding strong opinions personally vs being in a position of authority and forcing those (strongly held, weakly justified)

One important distinction is between holding strong opinions personally vs being in a position of authority and forcing those (strongly held, weakly justified) opinions on the rest of the team. That’s a quick way to erode morale. Flip side of the coin: having strong opinions but being open to discussion and reconsidering your position in the face of new evidence is a great way to earn respect.