TikTok’s chief executive was finally grilled by US politicians on Thursday. The Chinese-owned app is facing a potential ban — but a series of ridiculous questions by clueless representatives has sparked mockery online. Shou Zi Chew faced a tense, hours-long interrogation in front of the House of Representatives Energy and Commerce Committee, amid growing bipartisan support to ban the hugely popular video sharing app over harmful content and national security risks. While Mr Chew was forced to respond to serious allegations that TikTok was a used as a spying tool by the Chinese Communist Party (CCP), many observers were stunned…