That’s why you pick your courses carefully.
So you really think so? Unless you literally read every single text that is required for the potential class, you would have no idea. I can assure you of that. Even in classes that you would not think would be liberal, there could be material that I guarantee you would upset you and that does not even include the stuff the teachers use as handouts or show on videos. I’m there, right now, so I speak as an expert in the college world as it exists right now.