Boxing is a good stress test for virtue ethics because the concussions are not some unfortunate side effect accidentally attached to an otherwise noble practice. Repeatedly hitting someone in the head hard enough to impair them is part of the sport. And yet depending on the surrounding culture, the exact same practice gets narrated as courage, discipline, mastery, honor, self-command, or as cruelty, recklessness, and normalized brain damage. That seems like a real problem for virtue ethics: if your account of virtue depends heavily on inherited social wisdom, exemplars, and intuitions about what a flourishing person looks like, then different cultures can generate radically different moral verdicts while each feeling internally coherent. At some point you need an external error-correction signal. Consequences, rights, welfare, something. Otherwise “practical wisdom” risks collapsing into whatever your culture has become good at admiring.