The fact that the author writes about his buying decision in first person singular is telling. Home "as a product" (vs investment) is contingent on your situation in life.

If you are a single person who is likely to get married and/or move for work, why would you buy? The transaction costs of buying and then selling are non trivial.

On the other hand if you are with your wife and kids, the potential ability to move for a job is less important (objectively) than community you are establishing for your kids and family. So it's not just those who value stability vs flexibility as a behavioral trait but as a realistic reflection of a situation.

It's like a bike guy becomes a minivan guy when he has 3 kids.