It looks like I'm in the minority here, but I honestly don't see what's so bad with how Kalanick reacted. The guy was giving him a hard time and he reacted accordingly, I even think he held back alot more than he could have. Kalanick's right, 'Some people don’t like to take responsibility for their own s‑‑‑.' There's alot of truth there. If a company changes their policy, and it affects your income, it's not the company's responsibility to fix that for you. either you find a competing company that can make you more money, or you have to find another way to get your income. In either case, it's your problem to handle. It reminds me of Amazon's recent changes to their affiliate program. There will be people that will maneuver around the policy changes and pull through, then there will be people that will remain stagnant, lose money and blame everyone but themselves.
Kalanick should have doubled down. "Yeah, I was mean, but the guy was a d*ck." Then again, I'm just an armchair analyst. I don't have a multi-billion dollar company to handle.