[db48x]

> Imagine a society without personal property, like some small tribe. Wouldn't they see our property rights as artificial?

This is a common argument, but one that is ungrounded in reality. Ancient tribes were small and certainly had fewer (or no) written rules, but there is plenty of evidence that they had personal property. Grave goods are just one of the most obvious. Neolithic huts with fences built around them to keep the livestock safe are another. We have stories dating all the way back into prehistory of shepherds counting their sheep. Etc, etc.