BTW Tomasello seems to be expecting Chimpanzees to function according to Human behaviour.
It's an uncompromising tough world out there. Perhaps a baby that becomes separated from it's mother comes under "one strike and you're out".
Is it more helpful for the child to learn how to survive and what to do in such a situation or for one of the others to prevent that valuable lesson from being indelibly learned ?
Nature clearly is not sentimental.
