Well, animals also do not move outside their natural habitats and certainly do not move from India to North America..
Upshot, humans are way more complex and different than other animals.. We are also way more flexible (and hence complex).
Actually, Bonobos -- the closest animals to us, have even more extreme example of mating and child rearing....
https://www.sciencefocus.com/news/bonobo-mums-drag-their-sons-to-ovulating-females/
Talk about the extreme of helicopter parenting...
Thats why I said, about high context societies... In such societies like ours, we are more of our context ie family etc. Its not a new beginning but continuation of a legacy. There is a reason I call subcontinent males as mamma boys... we really are reflection of our parents. Its more like Windows Vista to Windows 10 and less like Windows to MacOS transition from one generation to another.