Interesting. I had not seen this particular article but I do recall an article a few years ago about a guy who took the Big Five with a Marlin lever gun in 45/70 and Garrett Ammo. It was also a Garrett "advetisement" as this article seems to have been. I don't doubt that the 45/70 can do the job but why would you when there are sooooo many other rounds that are so much better suited, especially when what you're hunting fights back. It might be ok for some of the thin skinned DG like lion or leopard but I think most experienced people would consider it more marginal that the 375 H&H.