Crankbait Rods and versatility

[TravisRush]

I always hear about how some prefer to use MH for deep cranks compared to a M rod, or how a fiberglass rod is better for cranks, and how a M rod works just fine for shallow cranks.

Now, is it possible to find a "perfect" crankbait rod? In this, I mean that it will be able to throw the deep ones as well as everything above. Can a rod meant for deep cranks work efficiently for shallow cranks? I was wondering, since it'd tougher to throw the deep ones with a M rod, if a rod mean for deep cranks will work well for shallow too?

I apologize if this is confusing, as I confused myself somehow...