The 'roads' in Afghanistan are either non-existent, deadly, or both. One of the most un-fun, terrifying, and oddly surreal things I've ever done is convoy there. And there's not too much mountain hiking to be had in the area the article is talking about. Lots of annoyingly pinkish sand, rat lines, and bad guys with guns, though.
As far as mass v. limited operations, though, I would argue that 'limited' does not mean what a lot of people think it means. Especially if you're talking about the kind of stuff required in the COIN model. The support infrastructure and troop strength have to be there, otherwise the bad guys just fill in behind/all around you. If you have a LOT of mass, capable of a high speed of operations, doesn't that mean that you pack a whole lot of kinetic energy? I think one of the "Rules for a Gunfight" says something along the lines of bring all your friends with guns, right?
Sorry for the late reply to my own thread, but I have to wake up early every morning and drive to help these fools plan fun stuff in an angry, arid, mountainous country.