Elon Musk‘s decision not to join Twitter’s board has dashed conservative hopes that the billionaire CEO could help push their agenda of ensuring the platform has less censorship and creates more free speech policies.

Musk, the world’s wealthiest person and a vocal critic of Twitter’s handling of free speech issues and banned accounts, appeared poised to shake up the social media giant after joining the board and buying 9.2% of the company last week.