Andrew Macdonald said it's getting harder to justify money spent on AI. Sam Barnes/Sportsfile for Collision via Getty Images A top Uber exec said AI is not giving the company bang for its buck. In a Rapid Response interview released on Saturday, Uber's operations chief, Andrew Macdonald, said it was becoming harder to justify AI costs within the company.He said that Uber CTO Praveen Neppalli Naga went viral after telling The Information in an April interview that Uber had already blown through ...