Yes I agree, let's start cleaning it up, that's what's needed isn't it?
The question is similar in religions "why would God do or allow such a thing?"
The world is bigger than we are or than we can really imagine, isn't it? I've no idea who can tell me where the boundaries really are that would tell me just how big the world is.
So, to take another well spoken concept--think globally, act locally, that makes some sense doesn't it?
If we are consciously intending and thereby manifesting (!) good things within ourselves, around ourselves, a bit further out than that, who knows when an opportunity will pop up which will allow us to manifest through our intentions something positive and farther reaching than we can see?
A book, a song, an idea, a foundation, a solution, look at this site for instance !
I am believing less and less in limits and more and more in the wisdom of eyes and heart wide open