I can't think of a single example where the DM's narration would be "meaningless." It feels like a reaction to a specific set of personal experiences we aren't privy to.
It's related to the conversation before and after this post. (I gave up trying to backtrack to where it first comes up. I think it has to do with whether 5e can be said to actually be making a story at a certain time according to a certain definition... but I lost the train of the thread quite some time ago).

D&D 5E - Roleplaying in D&D 5E: It’s How You Play the Game
Let's move away from combat for awhile. Would you agree that most 5e ability checks follow F-G-F? Per RAW that is. Well, 5e's issue here is mostly the lack of any knowable relation between action and result in the sense of attaining the character's desired goal. So, yes, I want to climb the...
