collapse of the old society

Yeah, should be clear that I don't think choosing not to have children makes you in any way a climate facist.

I totally hear you on thinking those things won't have an effect. But I would say this: the only people who benefit from climate change activism being a lost cause, are the people looking to exploit our planet. Will you or me or a big group of us stop climate change in its tracks? Sadly no. But the future isn't written, and we can still do a lot to mitigate the worst impacts and hold corporations to account.