Not sure where you mean by "western world" but public transport and cycling are very popular and normal options where I live.
New York is the land of subways, and was known for its endless taxis at one point.
I know other US cities have light rail, elevated tracks, transit.
Even SV has things called buses, and rail transit too.
I think people just like to shout random ideas sometimes, without thinking.
Driving from Corporate Woods, Overland Park to Westbottoms Missouri is 19 minutes. The bus takes over an hour including a sixteen minute walk. In other words, nothing has changed in ten years. It takes about three times the time to take a bus as opposed to driving.
Public transit is pretty great in most big French cities ( including mini metros in not huge cities like Rennes, Lille Toulouse).