I found it odd that the article seemed to imply that silk was used in human sacrifice ("sacrificial clothing"), but it never explicitly stated this--perhaps too

I found it odd that the article seemed to imply that silk was used in human sacrifice ("sacrificial clothing"), but it never explicitly stated this--perhaps too unpleasant to admit outright? It wouldn't be surprising since the Shang practiced human sacrifice on a massive scale (comparable to the Aztecs).