The pale rider is not good, it is to deal stiff justice on the earth when unleashed upon the earth when Christ breaks opens one of the seals. That is the history or Bible behind the pale rider the movie uses for the theme.
Clint though he does a good thing in removing the bad marshal is still a bad person, and thus that is why he slept with Hull's sweetheart.
I like the movie, but it sits behind Josey Wales and Unforgiven in his western roles.
