Whatever the merits or demerits of the views in the Sayers essay, there is an excerpt that seems very to the point:
Have you ever, in listening to a debate among adult and presumably responsible people, been fretted by the extraordinary inability of the average debater to speak to the question, or to meet and refute the arguments of speakers on the other side?
I doubt an education based solely on the ideas of medieval scholasticism is sufficient for the 21st century. But the tendency of some posters here to fling "medieval" as a pejorative bespeaks a lack of wanting to engage some of the merits of at least incorporating some features of it. After all , the Enlightenment natural law tradition does owe something to Aquinas. While recognizing the merits of other venerable cultures such as China and India, there is no real value in seeing the Western cultural heritage as solely something to trash.
Remember, the postmodernists see science as something socially constructed and lacking real epistemic value.
On the other hand, as someone who accepts evolution, I think the fortress mentality of those who don't, and who see nothing in modern society except things to be dismayed about, seems to lead to overromanticizing an imagined "better time" that never really was.
I see the deisre to homeschool as a retreat from serious engagement with a complex and sometimes intimidating world. But hsitorically, such obscurantism only results in further marginalization.