Well, Silverhorn, I think that is a good question.  Being retired and not around campus much anymore I have only anecdotal  evidence to draw upon. so try to avoid a definite opinion of the current situation.  It's also a rather vague concept to test empirically.
That said, I do fear there is some basis for this concern.  However I'm not clear how we get from this "infantilizing" concept  to the idea that academia is at fault  for Trump's destructive behavior, Is it because college grads  failed to use their knowledge adequately to block Trump's extremist agenda?    
What do you think Silverhorn?