Well, I think we're already seeing some the results of those sheltered upbringings, in the form of college student demands/desires for safe spaces, trigger warnings, and out-of-proportion reaction to Mariachi band Halloween costumes.
But do you notice how columnists who write about these problems cite one or two examples and assume it's happening all over? I don't think it is; I certainly don't see much of that where I am.
There is certainly a conversation happening about sexual assault and one about the racist histories of campuses in the context of the Black Lives Matter movement; but these are not the only or the main thing going on in most institutions of higher ed.
I think there's a lot of faulty/overzealous journalism about higher ed...