Reminds me of the mentality strong players in MOBAs advocate for. You're playing on a team with four other strangers, so it can be easy to feel hopeless and give up when they make mistakes. But the most optimal thing to do is to not focus on their mistakes, but focus on how you can correct your own mistakes: how you can beat your lane opponent, how you can anticipate a jungle gank, how you can translate a won lane into a won game, how you can communicate your intent effectively with pings to prevent that failed dive next time, how you can foster a positive mentality among your teammates and what you can do to help them win their lanes.

You get better by revisiting the decisions you made, think about how you could do better next time, and move on to the next challenge. When you develop learned helplessness, you stop getting better and can actually become worse.