Yes, whataboutism is both a rhetological fallacy and a form of "narrative control".
> A charge I made of both appeals to hypocrisy and appeals to whataboutism.
"Appeal to whataboutism" isn't a thing. It's just called "whataboutism", and since whataboutism and "appeal to hypocrisy" (seems synonymous with whataboutism) are both fallacies, pointing them out is just called "pointing out fallacies". Fallacies don't need any 'appeals' or arguments made against them, because they are already fallacious, that's why we call them fallacies.
And yes, pointing out fallacious arguments could be called "narrative control", too ;) So could be saying anything! After all, anyone saying anything is trying to "control the narrative" to include that thing. What a silly, needlessly conspiratorial neologism for a uselessly vague concept!