The article talked a lot about school buses in rural areas. Mass Transit isn't a thing in most rural areas.
In urban cities, yes that's a feasible idea. Most people in the USA live in places where mass transit isn't feasible.
We are a nation of car drivers who bought into the dream of having a house on a large lot in the suburbs. Mass Transit exists, but in the burb it's generally a parking lot where you take a bus to your job downtown.