both of the aspects can be there.
people with small families or one addicted to it would found nothing good in this world. it can also be the case that people again make books a good friend of theirs and the quote of Swami Dayanand VEDON KI AUR LOT CHALO can come to real.
on the other hand children living in nuclear families can get a better opportunity to know about our glorious past. they may start spending a good time in the lap of nature which is the pressing need of this fast running society.
you can expand any of the two views. its like favour or against in a debate