Even if they aren't picking rides that are the most profitable, the fact that a driver can serve an Uber customer and then a Lyft customer an hour later indicat

Even if they aren't picking rides that are the most profitable, the fact that a driver can serve an Uber customer and then a Lyft customer an hour later indicates that these drivers aren't traditional employees. Now you could classify them as freelancers taking contracts at will, or you could classify them as employees working out with their manager which shifts they will work so they can get to their second job. It's just that the shifts are a few minutes long and spread out throughout the day. To most people the freelance classification probably makes more sense.