There's a pretty straightforward solution to the whole kids-are-a-huge-financial-burden problem:
The world's human population is a tad bit too high.
Going slightly off-topic, but to be honest, living in Hong Kong has presented me with a kind of perspective of what is happening to the world that you don't quite get living in, say, Frankfurt, where there seems to be room, food, and stuff for all and no problem to add more living beings in the world. In Hong Kong, you can see that's not quite the case and space and resources are pretty finite and you get a pretty direct look at our trash. Again, yet another reason to exit is feeling I am only yet another number making this city worse in a place where there should have never been a city!