alt Hacker NewsSure, but what does that have to do with AGI? I don't think anyone is proposing simulating an entire brain (yet, anyway).
Like you could have "AGI" if you simply virtualized the universe. I don't think we're any closer to that than we are to AGI; hell, something that looks like a human mouth output is a lot easier and cheaper to model than virtualize.
Unless you believe humans have something mystical like a soul, our brains are evidence that “general intelligence” is achievable in a relatively small, energy efficient form.