Think about it.
We 'big-brained' humans have been around just a skoche over 250,000 years; a mere geological eye-blink. Given what we've done to the planet, to each other, and to other species in the interim, it just might be that big-brained humans, such as ourselves, are nothing more than just the next evolutionary dead-end.
We're sure acting like it, with America calling the tunes; the tunes of racial supremacy/superiority, patriarchy and predatory capitalism.
The practitioners of those systems, the owners and proprietors, create injury, injustice, and unsustainabilty. It may not be possible to defeat them, ever; but ya gotta try; ya gotta raise your fist. Bob Jensen, whom I've met on occasion and chatted, explains:
Whose Night in the Barrel?
28 minutes ago