Why is this important, you ask? After all, doesn't "every generation/blame the one before"? Isn't it just human nature to get revisionist about history and claim that THEIR age is the one that has sole possession of The Light?
Human nature, maybe. Resistible, definitely. If we counter, at every possible opportunity, the human tendency to dismiss an entire millenium as unenlightened, backward, all those terrible adjectives...I think there is hope to redeem the middle ages as fiction-fodder.
The marketing wunderkinder claim if we want to tell historical tales, they must not be set in the medieval era. Why is this? Because "it doesn't sell." Are they really saying, "we can't feel the love for this era because the characters, no matter how fervently Christian, must be Catholic"?
Horrors! We cannot honor THAT! Didn't we spend decades and buckets of martyrs' blood to get away from all that? Yes, the Reformation was necessary, though I think in places, particularly England, it went way out of hand. It also got out of control because of the aforementioned human nature. "What!" says sin-prone humanity. "Some children are bad? Throw them ALL away!" And from this mindset we get excesses of all horrific kinds.
We who read and write in the Christian market can reject this "throw it all out" mindset. We can refuse to accept the "no medievals" position on the part of the publishers, and write (and request, as readers) books that will be Entirely Unrejectable.
Recent events have shown that some publishers are ready to consider medieval-set fiction. Witness Michelle Griep's superb GALLIMORE and several other titles I have not yet read. I have hope.