nice characters are good and important and strong
nice characters are not in any way inherently less interesting or complex or cool or badass than asshole characters
nice characters who go through hell and still remain good and kind and compassionate are so so strong
nice characters are not weak or boring or less badass, nice characters are awesome.
sam has flashbacks of his hands killing kevin. sam, the purest of people, the best of hunters, hell, the best of men, has guilt over something he could have never controlled.