Exactly this many also have parents who can help subsidize them, stay on their parents health insurance until they are 26 and worse case move back home. This isn’t just the privilege rich, this can also be your mid to mid upper income couple who can help their kids out.

Yep, and most of these fallbacks are insurance-like: you can always say you never asked your parents for anything. Like me. Thing worked out, so I didn't need their money. But if they hadn't, I would have a place to sleep and eat.