Kentucky ranks just below average in terms of literacy at #29 - not in the top ten.
The ten States that rank the highest in terms of illiteracy are - in ascending order -
California, New York, Florida, Texas, New Jersey, Georgia, New Mexico, Nevada, Mississippi and Louisiana.
Six out of the ten States with the lowest literacy rates are Bue States - so it seems pretty evenly split and would therefore imply that literacy rates are not determined strictly on Party lines.
U.S. Literacy Rates by State (worldpopulationreview.com)
Kentucky is considered the 6th poorest State.
Most of the poorest States are Red States - makes you wonder what whole "white privilege" thing is all about - doesn't it?
Poorest States In America For 2021 (roadsnacks.net)
Kentucky is 10th highest concentration of people who claim to be religious in their population. The top ten are all Red States - save Georgia.
The 25 Most Christian States In America - WorldAtlas
I believe Kentucky still is number one for neglect and abuse of children - they blame drugs and poverty for it.
Kentucky child abuse: Still worst state in US for child abuse, neglect (courier-journal.com)
Six of the top ten States with lowest literacy rates are Blue - so if you believe that illiteracy is a metric for intelligence - then evidence would suggest that it's the Leftists who are the dummies.
And I think a more appropriate adage would be, "Keep them ignorant and afraid."
The Leftists love keeping their constituents in the dark and terrified.