That description goes for college students, too. Though the blandness isn't lack of skill; it's fear and powerlessness.
Michael Berubé has this story where he says, he once came early to class and overheard the students make great arguments about movies and shows they saw last night, discussing them heatedly. Then, when the lesson started, all the arguments turned bland, banal, reproductive.
Obvious conclusion: They -can- very well produce good insight, but the college and school systems discourage it. They reward them for repeating ideas they read in books about their things, or what the teacher said; an original idea is dangerous, because they're responsible for it themselves, and if the teacher doesn't like it, they'll get punished for it. Safer to say, "Miller said..." and shove off accountability to someone published.