A good point. From the get-go humans have been intensely tribal and fearful of outsiders. 10,000 years of history shows we kinda bumbled our way through it with a lot of causalities but also a lot of beautiful culture, art, feats, and athletic talent sprinkled in for people who had the time. Now every part of the earth is so interconnected it is unprecedented. How we bumble through this stage is unfolding into a sad story but I can’t get too beat up about it for my own sanity.

A nuclear winter isn’t a scientific guarantee, many post-cold war models have suggested it might not happen.

That said, shit would get fucked up but for how long and what affects they have on the atmosphere is still debated.