What do the ‘wolf warrior’ diplomats want?

Earlier this year, a Foreign Ministry spokesperson gave credence to the conspiracy theory that the US military took coronavirus to China. It's just one example of a new school of diplomacy that has dominated Chinese foreign policy - the 'wolf warriors'. But does this approach work, or does it merely antagonise the world? Professor Todd Hall is a Chinese foreign policy expert at Oxford University, and tells Cindy Yu about what the wolf warriors say about China's view of the world.