The article doesn't say anything bout these being immigrants, rather they're foreign workers with legal visas. There have been numerous examples already of Trump's administration claiming that the legal requirements to revoke such visas, are almost non-existent. Also, Elon Musk received a lot of backlash from MAGA for supporting legal H1B workers. There is a significant-sized movement that wants to draw down all foreign workers (legal and otherwise) in the USA.