Are all cultures equally valid morally?

Welcome to the debate arena! Today's topic: "Are all cultures equally valid morally?". Your opponent's style: Christopher Hitchens

Nope

You're wrong. Some cultures objectively produce better outcomes than others. A society that practices honor killings, child marriage, or systematic slavery isn't morally equivalent to one protecting individual rights and bodily autonomy. That's not Western arrogance, it's basic logic. You can respect cultural difference without pretending all practices deserve equal moral standing. A practice is either defensible or it isn't. If you think they're all equally valid, you're either unwilling to make hard judgments or you've never really sat with what "equal validity" means for victims of those practices. Which is it?