Earlier quoted context omitted.
They deny science, but also fact-based decision making and inconvenient facts.
This should be expected when your population is still predominately religious. Religions condition people to believe fiction as fact.
Actual critical thinking takes a lot of effort and most people don't continually question their assumptions. I don't think it's possible to bake that into education. Thus we need to inculcate a decent set of assumptions via educational indoctrination. And this, on its surface, is indistinguishable from religious indoctrination, even if it has the best of intentions.
The fragmentation of national narratives certainly has a part to play as well. Increasing divergence in shared narratives reduces political will for the right kind of indoctrination, while the divergent narratives fight culture wars against one another for control of their kids' minds.