Suppose your scope could calculate and display your hit likelihood in the vitals of a deer based on distance and the accuracy of your gun/ammo system.
What would you consider to be a minimum hit likelihood?
100% (always make the shot)
90% (9 out of 10 hits)
75% (3 out of 4)
67% (2 out of 3)
50% (1 out 2)
IMHO "ethical" requires 100%. Taking a shot with anything but 100% certainty means some other factor is outweighing ethics. That may be necessary in some situations, ethical or not.
