Why Cut on Contact?

By design a better penetrating broadhead. A cut on contact head is in the "boiler room" while the other types are still stretching skin.
Generally tougher than other designs. Complete penetration without damage to the head is the norm.
Economical. The initial cost and the continued reuse makes it so.
Confidence of knowing the sharpness of your blade while enjoying the participation in one of the basic and oldest skills of bowhunting - sharpening