Don't be sorry. You haven't hurt anyone's feelings (and if you have, they were too fragile to survive long on HN). It's fine to defend your arguments and later

Don't be sorry. You haven't hurt anyone's feelings (and if you have, they were too fragile to survive long on HN). It's fine to defend your arguments and later realise you're wrong. That doesn't make you a lesser person - on the contrary, you're someone who now knows one more thing. That's good. If HN can do that more often, that's good.