Uber and Lyft may be a hobby for some people, but they are a job for others. The commercial auto license, like the commercial driver's license, is a binary distinction
And one which California in particular already applies unfairly so as to steal money from the citizenry. Any pickup truck over a fairly low weight has to be registered as a commercial vehicle. You don't need a commercial license to drive a commercial vehicle unless you use it for a commercial purpose, but you still have to pay more for the registration because California. There are many legitimate non-commercial uses to which a person might put a pickup truck heavy enough to trigger this fraudulent surcharge, which is actually way down somewhere below 5,500 lb. That's not very much for a truck, especially these days since truck weights have climbed ever upwards save for the 2015 F-150, which has an Aluminum body.