Because comparing it to an average car is wrong. It isn't about fast/expensive. It is about fast/capacity. A Ferrari can seat up to 4 people[0], which is about

Because comparing it to an average car is wrong. It isn't about fast/expensive. It is about fast/capacity. A Ferrari can seat up to 4 people[0], which is about the same as the average car. Capacity doesn't change much. Meanwhile, a bus/subway system is meant to support millions of people. Tokyo's metro has to support up to 37 million people. You can't do that with Ferraris. [0]https://www.ferrari.com/en-EN/auto/ferrari-purosangue https://www.ferrari.com/en-EN/auto/ferrari-purosangue