User blog comment:SomeoneYouUsedToKnow/SYUTK's V4E10 - Guroyuri - Impressions/Recap/@comment-25405817-20170124025735/@comment-25936766-20170125031739

I see you deliberately missed the "myriads of Grimm" part. Even if 1 or 2, eventually, after X years, "learned" that crushing down buildings was needless, that doesn't excuse literally all of them, including the young ones who have NOT learned much, not doing so.

And like I said, it doesn't matter if they learn or not, that is irrelevant. The point is, we've been told before that they do that, that they wreck down mankind's constructions. And yet in 3 villages we've seen, they barely have.