This result is similar to other results in network science showing greater cooperation when homophily is higher. It’s so depressing. In-group bias is often socially helpful. @nfergushttps://twitter.com/yaneerbaryam/status/1091433823630487554 …
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I find tribalism sad. It is an unavoidable feature of the natural world, of course. This topic is treated at length in
#BlueprintBook, so if you want my thoughts, here they are:https://www.amazon.com/Blueprint-Evolutionary-Origins-Good-Society/dp/0316230030 …
