[Nasrudith]

That forgets another variable - efficency of production. The entire reason small anything cannot compete is economies of scale vs input of some sort fundamentally.

Thinking localism or pastoral will solve exploitation is not only naive but historically illiterate. Bronze age slavery was dubiously an improvement over genocide.

Humanity never really was in harmony with nature - the reason for nomadism was because they depleted the food resources locally. Hell nature is never in harmony with nature! Every effect you lament has happened before including mass extinctions due to life induced atmospheric changes (anaerobic extinction).