Yeah, but he said "I'm not advocating a magnum rifle" and the only 7mm in the OP's list was 7mm-08.
Still happily answering to the call-sign Peetza.
The problem, as you so eloquently put it, is choice.
He is no fool who gives what he can not keep to gain what he can not lose.
-Jim Eliott, paraphrasing Philip Henry.