I say this is bad advice not because I think what makes me happy will make everyone happy. I know lots of people would find a life with kids in the suburbs stifling. But the "treasured child" type of advice makes the same mistake in the opposite direction. Our culture glamorizes a life of travel and adventure and experiences, but I think it dramatically underestimate the percentage of the population who find such a life unfulfilling and would be more fulfilled with roots and neighbors and a sense of place.
"What would you tell your kid?" My dad traveled the world, visiting dozens of countries helping bring health care to the developing world. He told me that the most fulfilling thing he did in his life was raise two kids. That's very uncool to say these days. But kids are always best served by honesty. They will find fulfilling whatever it is that they find fulfilling. Maybe they'll live a life of experience and die happy. Or maybe the best thing they will ever do will be to make you grandkids. But you're not helping them figure things out by trying to sell them an aspirational version of reality.