The following correlation holds: overt marking of plurality in non-human (or inanimate) noun phrases implies that plurality is overtly marked in human (or animate) noun phrases of that language.
Standardized
IF plurality in non-human (or inanimate) noun phrases is overtly marked, THEN so is plurality in human (or animate) noun phrases.
The Pluralworthiness Hierarchy = Animacy/Individuation/… Hierarchy, as often observed (with Smith-Stark as the standard reference).