https://www.theguardian.com/world/article/2024/jul/19/japan-asks-young-people-views-marriage-population-crisis
The economist Takashi Kadokura said on a Yahoo Japan news blog that local government efforts to promote marriage were not working and marriages were not increasing because of the growing number of non-regular workers who found it financially difficult to start a family.
Agreed. I wish it was a plan, because that would imply planner(s) who could be fought against. Instead, it's the logical outcome of the entire system.