Wait what? I was just bringing up something I've noticed. How is this a straw man? As I said before, this is by no means a firm rule, just something that I noticed is frequently the case.
PS. Thanks for linking those blog's, I've added both to my reading list.
This list has a second hidden benefit: Typically, I find that those who have very lightweight pages have more interesting things to say.
That being said, that's not a hard and fast rule, as I both have a lightweight page, and not much that's interesting to say.