To find loggers this deep actually showed how worse the situation had become, with a deeper destruction of the rainforest's biome. And all of that to make money, as if there were no other ways to go about life.
Humans killing each other, Lucas would not have cared. As he and the hateful old man had said in their last conversation, desires made intelligent living beings move, whether to their advantage or not, whether to find luck or not.
But killing the world, destroying it, made him so disgusted that when he looked at the laughing men, he felt like turning them into fertilizer. And looking at the blood they had on their clothes, they must have clashed with some indigenous people as they and their kind had been getting into conflicts with the tribes having lived in the forest for generations, the latter trying to defend their lands that housed them and provided food for them, while the former had been trying to intimidate, or better yet, exterminate the opinionated tribes.
