Humanity cannot and will not change its practices fast enough to avoid running out of resources we keep ourselves dependent on because it's "profitable." We are a doomed species and won't be around for very much longer. We are likely living in the flash of bright before the long dark. I don't think the world my grandchildren live in will be remotely like the one we have now.
I'm perfectly fine hedging my bets and living life normally, but I think our longevity is an uncomfortable truth most people don't want to face.
Unfortunately I find it hard to disagree with you. There’s no ordained purpose to us here and we are certainly legion enough to topple the ecosystem we depend on. It’s wholly depressing and utterly insane that we don’t act with the urgency the situation requires. Country-borders don’t help.