Eudaimonia is more like "ethics for virtuous and stable society" rather than saying very much about human relationship with the ecosystem. in the ancient world the human relationship with the ecosystem was extremely different than it is now.
Fighting for happiness is like fighting for peace. You win by not fighting anymore.
I'm sorry if this opinion somehow reads like satire.
Your original post, the one that seemed satirical to me, sounded like it was endorsing some notion of material accumulation at the expense of human fulfillment.
If the advancement does not serve a purpose that brings happiness, what's the point of advancing?
Clearly you’re not capable of being happy doing nothing; otherwise, you would prefer it over anything else.