If tiny hearths with fat-covered sticks were common elsewhere, this would be a valid objection. But as it is, this seems to be a distinctive practice that is pr

If tiny hearths with fat-covered sticks were common elsewhere, this would be a valid objection. But as it is, this seems to be a distinctive practice that is present at the same location separated by 12k years, and the ancient one was buried and so not observed for most of that time. What's the alternative explanation except a common root in a cultural practice?