Not surprising that books like this succeed.
This has resulted in a population which is terrifyingly disconnected from reality, and yet utterly certain of their own beliefs; beliefs which have been worked into the core of their self-identity by the magic of political kayfabe. "The GOP believes Corona is from a lab, so it must be wrong" ... "Trump will genocide Gaza worse, so voting for someone arming an internationally condemned genocide is good and practical actually", etc.
Out of the small subset of people who really can read, and think for themselves, there is only a small number of them who can communicate their ideas effectively (and only to people who can at least sorta read at a 6th grade level). And the number of those people who have any power to amplify their voice is too depressing to think about for long.
... And yes, the Age of Resistance ties into this in many ways. The Skeksis are seen as strong, maybe even benevolent leaders by most, who are very far from any levers of power and aren't getting very well informed. Meanwhile, quietly (at first), the life of the small people is being drained...