You're never going to convince the Campbell government of anything by shaming them into thinking about the long-term social benefit of something like the preservation of wilderness.
Yeah, the best argument here is not that the proposed application will infringe upon ski-mountaineers, but that it infringes upon someone already making money off the tenure, and that Mike's business could take a hit when ski mountaineers turn their attention to, say, Monarch when the Wadd area becomes known for hot-tubbing and sled-riding big rollers.