How is the utility classification system fundamentally different from scientific taxonomy?

Answer

It is entirely anthropocentric, classifying based on value to humans.

Utility classification (Layers, Broilers, Dual-Purpose) contrasts sharply with scientific taxonomy because it is entirely anthropocentric, classifying the bird based on its economic purpose or value to humans.

How is the utility classification system fundamentally different from scientific taxonomy?
birdanimalclassificationpoultryChicken