It depends on the city, but I see plenty of people biking in Cambridge who, based on apparent age and time-of-day, are almost certainly commuting to or from wor

It depends on the city, but I see plenty of people biking in Cambridge who, based on apparent age and time-of-day, are almost certainly commuting to or from work. Also a few on kick scooters (not as good for longer trips, but easier to bring on public transit or a sidewalk if necessary). Going to work is not optional for most people, but (depending on where you live and where you work) there can be a variety of choices for how you get there. Biking (or scooter-ing) is faster than walking, gets you some exercise, is much cheaper than owning and fuelling a car, can be faster than a car in particularly bad rush-hour traffic if bike lanes exist... there's plenty of reasons beyond being a daredevil, if the relevant addresses line up for it.