Less than a month before Donald Trump returns to office, two of his most ardent allies have plunged into a fierce online debate over immigration, specifically the government’s visa program that allows American companies to hire so-called “highly skilled” foreign workers.

The Tesla billionaire, chosen by Donald Trump to be co-head of his new Department of Government Efficiency (DOGE), has infuriated anti-immigration elements of the Republican Party by defending the H-1B visa, which permits highly educated foreigners to work in the US for up to six years.

Tech billionaire Elon Musk faced accusations of censorship Friday from fellow conservatives after several prominent right-wing accounts who had criticized Musk’s views on immigration said that they subsequently lost access to premium features on Musk’s social media app,