Ross made his living as a writer and if you happened to read his articles over the years you saw many contradictions as he also wrote glowing things about various magnum rifles and seemed particularly fond of the 340 Wby.
Don Heath, "Ganyana", on the other hand not only reports on his extensive experience, but also addresses documented experiences of many others.
I have read Ross's articles since the 80's and I never saw a contradiction, rather I saw a change as bullets changed over the course of time. I believe he stated "I have to rethink my position"
I got banned on another web site for a debate that happened on this site. That's a first
