BILLIONAIRE Elon Musk was showered with praise during a trip to China this week, with people on social media calling him "a pioneer", "Brother Ma" and "a global idol" while the CEO of Tesla, Twitter, SpaceX and other companies also met in person with three government ministers. Since landing in Beijing on Tuesday, Musk has met with China's foreign, commerce and industry ministers and has dined with Zeng Yuqun, chairman of top battery supplier CATL. Little is known of those conversations. The industry ministry only said Musk and its head exchanged views about the development of electric vehicles and connected…