Uber Whistleblower Says Business Model ‘Absolutely Unsustainable’ After Firm Attempts to Improve Work Culture

Mark MacGann, the ‘Uber Files’ whistleblower who disclosed that Uber had broken laws and secretly lobbied politicians as part of an aggressive drive to expand into new markets from 2013 to 2017, on Wednesday said that the ride-hailing firm was working towards improving its work culture. However, MacGann said that Uber’s current business model was still “absolutely” un…