I get the point of the article. When taking a bird's eye view of where we are at in the world and we compare it to the past, we are doing a lot better now. The news focuses on negative stories because "if it bleeds it leads," and this skews our views when we allow ourselves to be manipulated by the narrative the media tries to convey to its watchers/listeners
I'd agree on a surface based level. When you dig below the surface there are sticking points that we need to deal with as a species before they do become problematic, though. It sure would suck if we were to be wiped out via a nuclear holocaust, for instance. By and large we experience less suffering and death now than any other time in history and the trend keeps improving. As mentioned above though everything we do has consequences; with fewer deaths comes increased populations and that itself brings along it's own issues as well for the future to deal with as an example
At some point the piper will need to be paid. Better to start figuring out how that's going to work now rather than just pushing these problems off onto future generations. Just because we have the luxury to be able to think about problems we may have not thought about in the past doesn't mean they aren't worthy of attention
Also it's important to keep in mind that the relative peace we experience now is unprecedented. The days we experience now are not the norm but the exception. Let's hope it continues to last. For some context of what I mean, here's what life was like in the 1920s. It only gets worse from there as you go backwards in time