My wife had a good job. She made the median household income in the area on her salary alone (my salary was still better, but that's beside the point).
When we had our second kid, the hustle wasn't worth it. Two kids in daycare took 90% of her take home pay. It was costing us more for her to work than to stay home with the kids.
Also, kids need their parents. An infant being away from their mom for that long is unhealthy for the infant
It's a choice, economy is about choices and math (staying at home cost < cost of kindergarten) is the tool. (in EU you may prefer to go to work because additional income is that time is added to retirement, even if money is low it has some value).
When we had our second kid, the hustle wasn't worth it. Two kids in daycare took 90% of her take home pay. It was costing us more for her to work than to stay home with the kids.
Also, kids need their parents. An infant being away from their mom for that long is unhealthy for the infant