There's a conversation happening among Bay Area twentysomethings right now, and it's revealing something that won't surprise anyone who's ever looked at a rent check in this region: the kids who grew up here are mostly still here — not necessarily because they love it, but because the economics of leaving are almost as brutal as the economics of staying.

Talk to Peninsula natives, and you'll hear a familiar story. Of their high school cohorts, the majority stuck around. The ones who left overwhelmingly landed in New York, with a smattering in Seattle, Chicago, or wherever grad school took them. But here's the part nobody wants to say out loud: a huge chunk of the ones who stayed are still living at home with their parents.

And honestly? That's the rational move. If your parents bought a house on the Peninsula in 2002, you're sitting on one of the most valuable assets in the American economy. Walking away from free rent in a region where a studio apartment costs $2,500 a month would be financially insane. But let's not pretend this is a sign of a thriving, accessible city. It's a sign that the Bay Area has become a place where generational wealth determines whether you get to live in your own hometown.

Meanwhile, the AI boom is reshaping the equation yet again. As one local put it bluntly: "I don't think people were under the impression a sustained AI boom would be great for the Bay Area middle class." Another raised the inevitable follow-up: "What happens when the ROI on AI and data center spend ends up greatly disappointing?" And as one Bay Area resident noted, "If it turns out to be a bubble we're likely equally screwed. Damned if you do, damned if you don't, and everyone gets caught in the crossfire."

This is what happens when housing policy is governed by NIMBYism for decades and economic booms only benefit the top of the pyramid. Young people aren't choosing to stay at their parents' house because it's fun. They're doing it because every level of government — local, state, and regional — has failed to build enough housing, streamline permitting, or create conditions where a 25-year-old with a decent job can rent an apartment without a roommate.

The Bay Area doesn't have a youth loyalty problem. It has a policy problem. And until we stop treating every new housing development like an existential threat, the next generation will keep making the same grim calculus: stay home, or leave home entirely.