The article is actually somehow worse than the headline. It looks at things on a scale of thousands of years, and the argument is essentially "war happened, the conditions of humanity improved, ergo war is good". Then it's just filler, mostly name dropping events and famous works, literally distracting you from the fact that it's a dog shit argument by going "oh you think my argument is dumb? Well I'm smart so how could that be?"
the quality of life sure has gone up since penicillin, obviously we should all be eating more moldy rotten food