I don't think GP was talking about TFA - and thus not a professional network - with regards to nepotism, but rather being able to depend on family. In any case

I don't think GP was talking about TFA - and thus not a professional network - with regards to nepotism, but rather being able to depend on family. In any case, networks can be hard to build and maintain, and they can easily fall apart if you fall into a rut.