It's not the federal government's job to police ideology. That's the stuff of Communist China's cultural revolution. There's nothing stopping people from creating their own university teaching "correct" ideology. The US has no shortage of well-resourced individuals and organizations spanning the entire spectrum of political viewpoints.
That has been going since forever. McCarthy is just one blatant example, it happened in the 20s, and 30s, and 40s 50s and 60s and 70s and all the way to today.
