When James jumps into action and tries to save Richard, it’s one of his last actions as the “hero” archetype. He’s clinging to his sense of self, but the group won’t let him be Richard’s savior. Alexander’s words are reasonable but cold—they’re the sentiments of a conspirator, like the one he just played in
Julius Caesar. It sounds rational to urge his friends to stop and think, but when Richard is dying in front of them, is it really so rational to stand back and do nothing to intervene?