Losing fully onboarded people certainly hurts velocity on projects after this one. And being known as a bad place to work is very damaging for recruiting efforts - I’d think a strong majority of devs would agree with either/both of “I’d never work for Uber” or “I’d never work for a Travis Kalanick owned company.” For a B2C tech company, where the product is absolutely crucial to the business’ success, having trouble hiring good people is a major downside.
Personally, about a year ago, a recruiter reached out to me about an interesting sounding role at “CloudKitchens”, that I was legitimately considering, but once I learned it was a Kalanick startup, I turned it down. The product/idea sounded interesting, but I’ve heard too many horror stories to work for the guy. I’m sure I’m far, FAR from the only one.