What does "impersonality" mean?

The state or quality of being impersonal

Impersonality

Common synonyms include: academic objectivity, ceremonial, ceremony, coldness, constraint, detachment.

noun

noun ·6 syllables ·Rare ·Advanced level

Noun

1
The state or quality of being impersonal uncountable, usually
"Yet paradoxically, Huston being Huston, its most personal quality is the director's self-effacement, its impersonality."

"Yet paradoxically, Huston being Huston, its most personal quality is the director's self-effacement, its impersonality."

From impersonal + -ity.