My EXACT thought when I saw this was that this is why so many therapies (including Dialectal Behavior Therapy) teach mindfulness / awareness and participation in the present moment. It literally makes you feel less depressed and more empowered.
Humanity has never seen problems like climate change or the adverse effects of poor application of tech to communications. I've little clue if humanity can recover from whatever the fuck mess we've made. I think no one really knows what's going to happen.
...there is at least the possibility, if not the probability, of changing intolerable conditions. This possibility is important, because much in human existence is based upon hope without any real understanding of the odds.
I choose to believe there's a chance because, for me individually, the alternative very reasonably concludes in my prompt non-existence.