[afandian]

I know what you’re getting at.

I think you’d call it a type of ‘lie of omission’.

https://rationalwiki.org/wiki/Lying_by_omission

But also with some elements of ‘category error’

https://rationalwiki.org/wiki/Category_mistake

[renewiltord]

I was thinking it's Lying by Omission but that seemed to not be specific enough to this specific style of omission. Ah well, it will have to suffice unless we can think of something sufficiently pithy.