How do you know that it helps stabilize the world? This is a trick question: You have no idea. You just think and hope that it does! This is why it's not INVESTING. You're comparing putting money into a quantifiable profitable enterprise with putting money into a dream.

How do you know it's beneficial to your children? You know what's REALLY beneficial to your children? Paying for them to have access to good healthcare and living in an expensive neighborhood.