I think you're right. You learn something every time. But it may not be the kind of thing you're out to learn. As pg writes he learned not to be part of such a

I think you're right. You learn something every time. But it may not be the kind of thing you're out to learn. As pg writes he learned not to be part of such arguments. Although, an important lesson, I'm sure that's pg actually wanted to learn something more pertinent to the argument (that's why he joined in the argument in the first place). When we don't get to learn what we were seeking to learn, we feel disappointed.