Philip Benz
A Dragontooth Grognard
You call it commendable. I call it a cop out. I say that the PF2 system fails to work because it doesn't address the necessary minutiae of combat - such as whether or not an arrow actually hits its target!
So the fundamental problem for you seems to be the commingling of two concepts: meat/body/blood points on one hand, and fatigue/morale/gumption points on the other.
I hear you, and have been there. The argument goes: "if an arrow hits its target, there should be blood, not fatigue or morale loss."
Carried to its extreme, this argument gives you games like the old Arms Law/ICE/MERP system with pages of really nasty critical hit tables that very quickly lead all but the luckiest adventurers into debilitating, mutilating or fatal wounds.
There are levels of abstraction in games. Chess has few combat mechanics, yet it is based on warfare. Fantasy RPGs are certainly more "detailed" than chess, but they have so many varying levels of abstraction that it's hard (really meaning: "impossible") to find a solution that satisfies everyone.