Some Have Argued That Once King Arthur Is Faced With A Potential Threat To His Marriage And Kingdom,Which of these two views do you think is more true?

Some have argued that once King Arthur is faced with a potential threat to his marriage and kingdom, he might have been able to avert trouble if he had handled both Guinevere and Lancelot, and the threat of their relationship, in a better way than he did. Others insist that Arthur was dealt a cruel hand, and that he had no chance to stop a hurtful situation from unfolding around him. Which of these two views do you think is more true?