Elon Musk speaks at the opening of a new Tesla factory.Christian Marquardt - Pool/Getty Images Elon Musk said Twitter users must have good customer service, and that he was working on it. Customers of his other companies have said they're disappointed at the lack of customer service. This includes Tesla owners and SpaceX's Starlink users. Elon Musk on Tuesday said he was working on Twitter's customer service now that some users pay for the platform.