There are indeed rural places in the world with decent public transit, and rural places get the same benefits of efficient transportation as cities. We just don't want to build non-car centric rural places in North America for whatever reason, in fact we got rid of long distance passenger rail here, which used to serve tons of rural areas and was seen as a standard mode of transportation even in rural places until the rise of cars and highways, so public transit has actually gotten much worse in rural areas and the transportation barrier has genuinely been shown to be a major contributor to the higher rates of poverty in rural areas.