By not being in a book they end up being a searchable topic but not necessarily browsable (though from the right page and a tag link they would be.
They aren't really left in the dust per se, but rather we haven't really found a best book or chapter that is about tips and tricks. They need some love and I'll look into if we can fit them into a chapter, or make their own. They are all SketchUp specific so at the very list we could create a Miscellaneous Tips section if need be. (c: