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I have read it. Their argument about groups making many advances is rather weak, though. It only links to a list of 100 allegedly most important advancements in human history. If you need a good brain surgeon, a group and its advancements won't help you much. You need somebody with a very good education. I also don't assume there is a strict hierarchy of capabilities. You can still do your group advancements while Yale exists. The article simply does not make a very good argument.