I always found the Utopianism of Old Trek overstated. More often than not, it was the Trek crew stumbling on some alien race or society that was experimenting with another Sci-Fi author's idea of Utopianism. And then the Trek crew became the vehicle of Rodenberry's critique of the utopian philosophy. [...] the Trek Society was still very militant and authoritarian

This is what happens when we fail our students. Inattentiveness combines with poor narrative comprehension and people only take away surface-level impressions to (of the few parts to which they paid attention, the still fewer) parts they retain.