the state of our nations universities

Why aren't the NY times and Co complaining about how our entire higher educational institution have become breeding grounds for Marxist and post modernists if they're really concerned about ideological radicalisation of our youth? The left's have been radicalising our youths longer than ISiS, and have infiltrated every institution, yet their concerned about how a few social media sites out of thousands of leftist echochambers are challenging their narrative.