an anti-intellectual social movement/aesthetic that's been going full-tilt for a decade or so, general lack of intellectual curiosity, engrained insecurity, inferiority complex marketing, a lazy eagerness to accept what those with a _perceived_ authority say to be correct (or that their definitions are accurate) and systemic/cultural pressures that exacerbate/perpetuate all this... that sort of thing
https://www.youtube.com/watch?v=Ci7VK75sMsY 