I think he is saying that the body/ skating technique adapts to messed-up-endess (bad sharpening)- like a - times a - = a + kind of thing.
So, when a guy whose skating and body has adapted to bad equipment (or, in this case, just the sharpening); and then all of a sudden the guy gets proper equipment, then he has to unlearn the bad habits/ maladaptations. I think I get it.