Ironically, those same systems that enabled high QoL are also the ones involved in killing us, whether that's carcinogens everywhere, climate change, resistant bacteria, or even just plain old nukes (or soon drone swarms).

I wouldn't be alive if not for advanced medicine, but if the structures that saved my life are the same ones that constitute our own Great Filter, my life was most definitely not worth the trade. There are too many other people I love to think that.