"Reptile" is a paraphyletic grouping: It doesn't make evolutionary sense (unless you include birds).pic.twitter.com/lT4qNNnT30
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I like my own utility based 2x2: Can I eat it, can it eat me x can I use something it makes, is it a nuisance.
Notably, pointillist models don't work with it though; a pig can fit in all 4.
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