30ky old archaeological material at Chiquihuite Cave, round 2: It still doesn’t matter how much some of the objects look like stone tools

Last year, Ardelean et al (2020) published a claim in Nature that they had recovered 30ky old archaeological material at Chiquihuite Cave in Mexico (I discussed the claim here). Now Chatters et al. (2021, the group includes my University of Alberta departmental colleague Margaret Spivey-Faulkner) have published a critique of the Adrelean et al. Nature…