>Making other people the bad guys is not scripture.
Untrue. It's all over.
First, why is Jesus' lineage (and the lineage of Cain leading to the Canaanites) so meticulously catalogued if genetics don't matter?
Also, there are a number of parables and idioms in the bible that pit 2 different species against each other as good vs. bad:
>wheat vs. tares
>sheep vs. goats
>good figs vs. bad figs
In none of these is it explained that all were at one time good but later became corrupt due to experience/influence. The message is that their identify as good vs. bad is informed by their inherent nature (as a seed becomes a plant) not experience. In nature vs. nurture, the bible teaches nature as the first determinant.
From there, a good nature can be corrupted by choice/experience. We are told we (God's children) are not the authors of sin, but that we fall to temptation. Satan's children are the authors of sin, the tempters. As Jesus said in John 8:44, it is because it is in their nature to lie and murder, as they are the offspring of their father, Satan.