You’ve actually mentioned a depressing possibility around morality, and it’s roughly that without shared ethical assumptions, conflict is the default, and there’s nothing imposing any constraints except social norms, which can break down.
My answer for people in general is: Try to see what others think, but remember that sometimes, bad outcomes will happen to stop worse outcomes, and you should always focus on your own values to decide the answers.
You’ve actually mentioned a depressing possibility around morality, and it’s roughly that without shared ethical assumptions, conflict is the default, and there’s nothing imposing any constraints except social norms, which can break down.
My answer for people in general is: Try to see what others think, but remember that sometimes, bad outcomes will happen to stop worse outcomes, and you should always focus on your own values to decide the answers.