Earlier this month, Anthropic, the American artificial intelligence company, entered the US-China fight. It barred companies from using its AI services if they were more than 50 per cent owned by Chinese entities. This was a double punch – China’s access to American technology hit another obstacle, and the global business world was prodded again to reject Chinese investment.Just a few months ago, Anthropic’s move would have knocked the wind out of China. But the recent Shanghai Cooperation...