When you say "fail", what are you referencing? Split neck, head separation, what?
My .204 cases have never even been trimmed, I don't even own a trimmer for them. Never had one get closer than .005 of max.
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.