Earlier quoted context omitted.
Exactly. Even the mindset of thinking in "driving" vs. walking or public transport shows a lot.
It is however realistic given the the US's urban layout and population preferences. Also nowhere has succeeded in keeping essential, low paid workers living near where they work - gentrification forces them out.
The secret is Japan doesn't let cities run their own zoning, because they'd just use it to ban new people but try to keep the jobs.