If Twitter allowed loud conservative voices the Media wouldn't popularize it like they have been and would focus on their coverage whitelist of preferred social networks. The Media is obviously capable of ignoring dissenting opinion and don't give much coverage to patriots.win, gab, voat, telegram, etc. They focus on reddit, twitter, facebook, and other controlled leftist platforms.

Twitter is sustained by the media reporting about what people say on it. If they start reporting on what celebrities say on another platform Twitter will die.