I know people in the echo chamber don't like to hear this, but ridesharing is not an innovation. Los Angeles and Chicago have had ridesharing programs for at least a decade. Hell, even Cleveland had a ridesharing program years before Uber or Lyft were founded (and that was how I got around Cleveland in law school). Uber and Lyft call themselves "ridesharing" programs where passengers "donate" money to a driver who "j…
Compliance with all existing regulations would in many jurisdictions require the purchase of existing taxi drivers' medallions (or the equivalent) at exorbitant rates - and not one extra cab would be allowed on the street after that transfer is complete.
You're making it sound like regulatory compliance for Uber and Lyft is as simple as ensuring that their drivers are competent and providing some means of recompense for wronged customers. That simply isn't true.