Earlier quoted context omitted.
> In my opinion, our species population is big enough already, and this is the main driving factor of ongoing ecological problems. That's the reason my wife and I decided to only have one kid. It's a statement. I don't care that future politicians shall have less future taxpayers. I don't believe eternal growth is the only model: I actually think it's unsustainable.
It's not only about gathering taxes. It's also about having someone to wipe your ass once you're too frail to do it yourself.
Now, if populations fall, there will be enough work again, and there will be a need to automate (maintaining the same standard of living is nice and uncreative) which will make more meaningful work for us programmers (the "productivity industry").