@LOH on #3)
IIRC, didn't Uthar Wynn in K1 have some sentiment denouncing the concept of love? Isn't this what has more or less proven to be what ultimately separates good from bad--what the difference is between mostly and fully embracing the Dark Side? J7 above got to it before I did.
I'll agree with you being a sith in and of itself isn't what ultimately decided whether folks were bad or good, though.
We'll murder them all, amid laughter and merriment...except for the few we take home to experiment!
"I cant see S***! --YOU GO TO HELL!" --Tourettes guy