the.com/insensitivity
The art of stepping on a nerve and asking why it's twitching.
means A lack of awareness or care for others' feelings, pain, or social cues, sometimes physical numbness too.
from From Latin sensus (feeling, perception) plus the in- of negation — literally the absence of feeling, dressed up in three syllables.
Medical senseAlso means nerves that no longer register pain.
Not always maliceOften just obliviousness wearing confidence's clothes.
Chemistry tooStable compounds are praised for their insensitivity.