Baloney. City buses for the poor are very cheap, and either they are making money or they have plenty of time. Plenty of groceries can be taken on a bus.
Have you actually ever lived in a major city and taken a city bus?
Yes. In school I didn’t have a car, so it was either walk or take the bus.
Cheap is relative to income. $1.50/day twice a day during the week is $66/month.
The other issue among tgecworking poor is time: they are hourly, so don’t get PTO. Scheduling medical care, any kind of dealing with bureaucracy, etc., takes forever.
There is a kind of chasm between the haves and have nots, which is easy to figure out how to cross from above, not so much from below.