they're individualistic. They're incredibly inefficient in densely populated areas. Some New Yorkers go well through their life never owning a drivers license. Only 57% of people over 16 years old have a license.

https://comptroller.nyc.gov/reports/the-road-to-opportunity-granting-drivers-licenses-to-all-new-yorkers/#:~:text=%5B37%5D%20Among%20New%20York%20City's,valid%20New%20York%20State%20license.