Airbnb was born out of Craigslist spam. Facebook only grew because of a contact spammer that is still in use to this day. In Facebook’s early days, Hotmail temporarily blocked Facebook invite spam and their growth instantly dropped by 90%. Uber used Greyball to avoid giving rides to those in violation of its terms of service, some of whom were undercover law enforcement personnel looking to disrupt its business.
These big businesses don’t come to fruition by accident, and the one thing they seem to have in common is that most of them broke the rules to get where they are. It may not be pleasant or politically correct, but it’s a fact of life.
Uber used Greyball to evade municipal laws.
Look, I'm a fan of Lyft and Uber. They shook up an ossified taxi industry. But let's not sugarcoat what Uber did - they broke laws and constructed systems to aid breaking those laws.