Earlier quoted context omitted.
>Conflict-of-interest is a human-invented notion Literally every legal concept is a human-invented notion.
Sure, but to me, ALL human-invented notions are subject to interpretation and change over the times. We had kingdoms, slaves, and eye-for-eye punishment before and we largely don't have those concepts today in the developed world. The same is true for conflict-of-interest, fiduciary duty, and today's version of capitalism. If I had said "we don't need slaves" 400 years ago, I would have been downvoted like crazy. And…
You can, it's called practicing. You are just limited by your resources and imagination. Playing with or against others accelerates your improvement curve.