Elon Musk and Vivek Ramaswamy began a battle among supporters of President-elect Donald Trump over skilled immigration, sparking questions about how the technology executives would fit into a populist new administration.

Trump tasked Musk and Ramaswamy to lead the newly formed Department of Government Efficiency. The two took to social media to argue that tech companies such as Musk’s SpaceX and Tesla need workers on H-1B visas because the United States has not prioritized education enough.