What makes it a marginal cartridge for elk in your eyes? How many elk have you watched die to a creed? And of those experiences, what part of the performance was marginal?
My theory is people that claim the smaller cartridges are some how inadequate to validate their own decision for having a big 30 cal magnum like it’s necessary.
Have you read through the whole .223 thread? I know many scoff at the idea, but that thread has page after page of devastation on big critters with the little .223 (including very heavy bone of a moose shattered)
I think magnums are a great tool, especially when shot distance reaches out there, but most people (not all) suck at shooting them, and many admittedly don’t shoot their big boomers very much, because they suck to shoot and are expensive to shoot
I am completely aware that there are those who do shoot their magnums well and shoot them a good amount, and kill stuff at extended distance where those cartridges shine… if recoil doesn’t effect you in a negative way, why not, especially for those who plan to shoot over 500yds, but that person is fairly rare.
I can’t recall watching an elk killed with a rifle that wouldn’t have died if shot with a creed, or .308, or 7-08.
If it’s marginal, for the sake of discussion, how is it marginal? Adding context will help the OP make a decision