TikTok CEO Shou Zi Chew testifies during a hearing on Capitol Hill, in Washington, on March 23.Jose Luis Magana/The Associated Press Tik Tok chief executive Shou Zi Chew told a Vancouver audience he could almost guarantee that the Chinese government would not have access to the social media company’s user data, a response that prompted a smattering of laughter from the crowd. Mr. Chew made his remarks on Thursday during an on-stage interview with Chris Anderson, curator and host of Ted Talks, after Mr. Anderson brought up the issue. The interview was part of the TED2023 conference. “So, you will...