It’s a race to the bottom, or rather a race to cartridges that are larger and larger. Why? Because people suck at shooting, especially a lot of guided clients. You think most of them are shooting 10 round groups, spotting their own impacts and putting hundreds of rounds a year through their guns?
They shoot big magnums with “tough” bullets and all the while don’t place them accurately. Rodeos ensue. Of course they are going to recommend, or even insist, on large magnum cartridges.
I know quite a few guides in Alaska and would not take any of their ballistic recommendations seriously, for myself, other than the few guides that are Rokslide members. Even still, none of them have even gone down to the effective .223/6mm cartridges that I know of, as their experience of seeing clients flail with large calibers has made it hard for them to wrap their heads around what many of us are doing.