It's survival of the fittest here, as it has been in other places and situations. Adaptation is necessary to survive, and if you're lacking in it, then your neck is exposed.
世界が懐かしい。
One day, maybe things will be set straight, but all that we've inherited is the desolate, used world of our ancestors. Somehow I don't think that this will change, regardless of where we are.
I should have learned long ago that setting your heart on something is a foolish dream.
Lamenting it is even more foolish.