It's indeed not idea for parents not to see their children as investments, if it were that easy, they themselves ought to have been same to their parents and amaze wealth.
But then even though it's not stated anywhere as a law, yet the affection would always come up with the need to cater for our ageing parents, even to total strangers we do this, how much more our own parents.
Exactly sir, it's not right for parents to put their hopes completely in their children for support at old age. It is very dangerous.
You are right, if we help outsiders, how much more our own parents. Only am evil child will turn his back at his parents when they needed him the most