Huh? The issue is that in the YE view, they are exactly comparable. In both cases, the erosion was of unconsolidated sediment, not solid granite. You may disagree with the interpretation, but your misunderstanding of the young earth position in no way justifies calling those who disagree with you “disingenuous.”
And of course, a differing point of view is much easier to dismiss when it is both misunderstood and when those who hold it can be viewed as villainous.