This topic is why monks sit in meditation day in and day out for years and years. Soooo many factors, so much emotion, so many possibilities!
Ironically, they must eat to maintain the body and keep the brain working towards some state of spiritual "seeing".
I'm as confused and ignorant as any, yet intuition leads me towards a certain understanding of reciprocity, and limits. As humans, we reach pretty far these days, and can come up with any justification for varying degrees of "right or wrong". I find a hint of contentment in the grey area of that it's all basically right AND wrong.
Planet Earth is as violent as it is peaceful, as is the entire universe. It'll always be this way. Relativity, up down, left right, positive/negative charge, deserts oceans, bright stars black holes etc etc it's all connected equally opposite. We are in somewhat of a conundrum but gifted with awareness and different privlege levels to typically pursue the energy paths we feel drawn to.
How to apply a permaculture comparison in all of this is maybe something like - a person who crafts thier own dwelling from store bought wood and conventional modern materials, power tools, and online plans vs a person who gathers branches and forms them into a hut, maybe using a sharp stone to cut into desired lengths and thats all. Are they both not carpenters? Which ones "better"? Which one causes more "harm" and to who, or what?
The difference is in your own perception and where that comes from based on a complex web of instilled ideals and personal experience.