Wages on the low-end are starting to rise for the first time in decades. Employers are having to compete for every kind of worker which is making them nicer and more agreeable.

When people see an upward trendline in their lives and can imagine it continuing they're more apt to lean in push harder. I'd imagine that even in the bay area, wages are probably rising fast for your typical worker and rents have tapered off due to the pandemic.

While in many cases we built a society where having a family is financially impractical to impossible - it's not hard to imagine that changing with a 20-30 dollar/hr 10th percentile wage ( which we get to in under ~5-10 years if the bottom quintile sees a 10% annual bump ).