RE: Why are the Magnum elk hunters the bad guys???
I use a .243 for deer and am confident it is entirely adequate. I also use a .25-06, which is more than is needed, particularly as I hunt deer in Oklahoma where the deer are pretty small. Ditto for pronghorn.
I have no beef with people using magnums for elk. I haven't hunted elk often and used the .30-06 that I already had. I would kind of like to have a .338 Winchester Magnum for hunting elk, because I'm thinking it is more optimally sized for elk . . . but at least partly, also, because I would just like to have one.