Hey Edgar, I haven’t been following this thread as much as your previous one. Just curious if you think it has been helpful to argue with professional biologists over the practical import of common ancestry when they are the ones with the thorough grasp of their field of study. I think I might be taken aback if someone argued for the irrelevance of a claim I thought was foundational to my specialty of medicine if they lacked the same expertise. But that said, I’m glad you’re still around for lively discussions. 
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