Bezos defends Amazon worker treatment but acknowledges ‘need to do better’

Less than a week after Amazon beat back the biggest drive ever to unionize some of its U.S. workers, the e-commerce giant’s founder and CEO, Jeff Bezos, recognized the company could do more for its employees.

In his annual shareholder letter released on Thursday, Bezos said he took no comfort in the results of last week’s union vote at Amazon’s Bessemer, Ala., warehouse, in which workers voted against unionization, with 1,798 votes against the measure, 738 in favor, and another 500 disputed.

The vote came against a backdrop of stories...