more seriously, it comes down to how much of a purist you want to be and that;'s really all it's about. I suppose the analogy is some people reckon there is only one acceptable way to catch a bonefish and that is on fly. If your primary objective is simply to catch fish, minnows may very well turn the trick if you're having no luck on anything else or they may even work better - only one way to find out.
Me, I'll use anything - I was the one who wanted to drop live fusiliers along the cliffs at some of the Shoalwater locations!
I've been secretly trying to find a minnow that is big, heavy and strong enough to use for GT fishing but I really haven't had much luck. I think it needs to be a shallow diver with probably a very stong bib that is part of the moulded construction otherwise a big strike on the head of the lure could snap the bib off. I'd also like it to be a very slow sinking lure.
