I think most the arguments made in the piece don't matter but the argument for Lack of Semantic Meaning is interesting in how Markdown solves it. First off the

I think most the arguments made in the piece don't matter but the argument for Lack of Semantic Meaning is interesting in how Markdown solves it. First off the argument is bad because Markdown can have semantic meaning, it is just defined with HTML. So the real argument is semantic meaning in HTML sucks. In his example, I would generally agree. However, what if you just used <warning>Warn Me</warning>. I kind of like that a lot.