I want to upvote out of agreement, but I really, really hate when people recommend a very long work they expect me to read on faith without a summary of what it offers so I can know Of it's worthwhile.

Here's what I would have added: Yudkowsky explains quantum mechanics in terms of the decoherence interpretation and how it makes logical sense as following from a simple rule that nonetheless contradicted widely held philosophical assumptions that kept its simple truth from being appreciated.