According to the DOT over 70% of US roads are in areas that receive snowfall. (https://ops.fhwa.dot.gov/weather/weather_events/snow_ice.htm https://ops.fhwa.dot

According to the DOT over 70% of US roads are in areas that receive snowfall. (https://ops.fhwa.dot.gov/weather/weather_events/snow_ice.htm https://ops.fhwa.dot.gov/weather/weather_events/snow_ice.htm) The inability to operate in conditions where people are most likely to not be able to use active transportation seems like a pretty major flaw.