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If you wanted to truly answer such a question you have to:
1. Be able to perceive multiple timelines in their entirety and
2. be able to convert those entire timelines into some comparable values
From where we stand, both of those are impossible, and whatever cascading effects may come from any action are completely invisible. We simply do not know the long term outcomes of our actions, and rarely can prove even short-term causation in the first place.
There's an ocean between:
- "I did x because I thought it was the right thing" and
- "I can tell what's good or bad in the world"