Why not when we invented nuclear weapons and set civilization on the path of destruction? Or when we invented fertilizer and set the wilderness on the path of destruction or when we started applying science and set traditional stabilizing religious cultures on the path of destruction? I know why. It's because you're overwhelmed with your own contemporary culture which has indoctrinated you to believe that particular doomsday prophecy. Other cultures have/had different ones and that will surely continue into the future.

Thanks for the downvote because you disagree that completely disrupting climate norms isn’t a notable event that is very much happening _right now_ and will disrupt future generations significantly. Go read my comment again, I never said it was the _only_ notable event. It is objectively significant. So are nuclear weapons. So are hundreds of other things that make the last 100 years extremely significant in history.

I don't think I have a downvote button. You said "path of destruction". That's the speculation based on current popular opinion. Had you been saying this 50 years ago, you would have chosen whatever the popular path of destruction at that time was instead, having no awareness of climate change.

Don't forget the pandemic. Plenty of people thought there would be some "new normal" we'd be living through for decades. Hell, I'm pretty sure plenty of people still cling to that particular doomsday scenario despite there being readily available, free vaccines. Look at all the dudes walking around outside wearing masks all along west coast cities..