“Profess to have learned nothing about leftism since the…” WTF are you talking about? really just confused as to what you mean here

I asked that question in good faith, so I'm going to assume you are as well.

Usually when people talk about "college leftists" they're talking about people who are too young to know anything about the world but have opinions on it anyway. I assumed that, since you were talking about yourself in that manner, that you saw yourself that way. My apologies.