I don't think the other commentter was disagreeeing with you or trying to compare. They said that they chose to have children for the same reasons you chose not to. (I am also a parent who chose kids for the fulfillment/happiness and not as some weird effort to build political power or something.)
You choosing not to have kids is perfectly normal and fine in my book. It is fucking strange to pressure other people into having children.
I think both the previous commenter and I are trying to back you up more than trying to argue you made a wrong choice.
My understanding is many everyday Chinese people bought real estate that wasn't yet built because demand was so high. Supposedly many of them sunk their whole life savings into units that developers had promised to build at some future point. That point seems unlikely to come if those developers go bankrupt, meaning that some decently large number of everyday people are going to lose their life savings.