1. & 2. Riding for sport, highly visible clothing, know the laws, courteous and conscience of vehicle traffic or it's their chosen method of transportation for work, etc.
3, Lost their license and driving privileges from a DUI or DWI, ride a bike now regardless of weather, wearing whatever they want, to go pick up their alcohol at all times of the day or night with no regard for vehicle traffic or pedestrians, just like what got them there in the first place.