We don't live on an infinite plane with infinite resources. If you ignore the harsh reality of disease and confusion on this planet then you will only aggravate the problem, and be the misanthrope you fear.
We don't need a planet with infinite resources. We live in a universe with almost infinite potential. All that is required is more knowledge for how to turn seemingly useless materials (such as coal, oil, uranium and gas) into useful resources. That's how we historically have progressed.
Knowledge gets created by freeing up time to allow humans to focus on other things than just getting their basic needs met.
This requires machines which require energy as energy is the industry that powers all other industries.
If you really believe we live on a planet with limited resources with no way of creating new, then you, being on Hacker News wasting energy on debating with strangers, seems like an unjustified behavior in itself. So maybe if you acted on what you seem to be preaching I would listen, but for know you don't seem to care about these supposed finite resources.
This view that we have these massive resource limitations is wrong.
We do not have 'resource limitations' for the most part on this planet.
For some things, there's an issue - but by and large, it's not.
Western Nations already have a considerably lower than 'replacement rate' in terms of birth, and the suicidal disappearance of some cultures is not going to move the ball forward.
We do have population issues, but they are squarely in Nigeria, India etc..
We have plenty of resources.
We'll sort out climate change over the coming decades.
