Chinese author and outspoken government critic Murong Xuecun is worried about Elon Musk's takeover of Twitter. The world's richest man has said he wants less-restrictive content moderation on the platform and styled himself a "free speech absolutist". However, with Mr Musk having a vested interest in keeping Beijing onside, Murong fears the new Twitter boss might cooperate as the regime seeks to silence critical voices on the social media network. Now that Twitter is a privately owned company, it is no longer subject to shareholder scrutiny nor is it accountable to anyone. Murong Xuecun came to Australia in January this…