I think the fault line here is going to be if you answer “yes” to the below two questions, and pretty much all iterations possible of good/bad/mediocre on either side of the balance.
Is it possible to be very good at conflict framing (a) and resolution (b) yet be mediocre in words usage on the journey from a to b?
Is the inverse possible (poor at framing and resolution but beautiful prose/oratory)?
I would have to answer “yes” to all of them because I neither conceive nor have I experienced anything approximating a tight (or even shabby) coupling between the two.
I’m like most people; good at some things, better at others, and only sometimes am I on the top of my game of all things at once (be it an intellectual enterprise like GMing or a martial one).
My post-mortem reflections upon instances of my GMing have shown me that I’ve had plenty of simultaneous instances of:
1) Inspired (how well it hooks into PC Dramatic Need and forces a defining choice) framing > lacking evolution of gamestate/fiction > rather insipid exposition
2) Meh framing > exciting evolution of gamestate/fiction > evocative but minimalist exposition
3) Awesome > Awesome > Potent but minimalist
4) Awesome > Crap > Potent, evocative, lacking brevity
And everything in between.
I’m all kinds of GM.
Often consistent, energetic, and on top of my game.
Rarely uninspired and going-through-the-motions.
Sometimes mentally blocked, fatigued, and frustrated.
The only correlation to bad gaming that I can draw is when either of my Framing or Fiction/Gamestate Evolution Post-Resolution is off.
Hence why I put them hierarchically at the top, connect them to understanding dramatic device, but don’t correlate them profoundly to certain facets of exposition skill (I do correlate it to some aspects; the ability to communicate with economy but provocatively almost certainly has an amplification effect...one way or the other...but not a causal effect...hence why it’s lower on the hierarchy).