I also understand where you're coming from Rimuel.
Personally, I don't have hard and fast answers for any of this stuff. Many people seem to and I can respect that.
To the OP, I feel as though the collective defines what's acceptable vs what isn't acceptable and they place a label on it as good vs. evil. But I don't dwell on it. If I know in my heart that what I'm doing is wrong (I know this by my intuition alerting me to what's right) and I continue to do that thing, then I have done what's known as evil. I can make changes from within so long as I have this life but repeated conscious wrongdoing with no intent or desire to change whatsoever to me is evil.