I am curious about the black swan events potentially changing this calculus; i.e. food replicators or tricorder-like medical help, or breakthroughs in life exte

I am curious about the black swan events potentially changing this calculus; i.e. food replicators or tricorder-like medical help, or breakthroughs in life extension biotect, etc. Hans Rosling knows far more than I do about all this, but I'm curious how it will all play out. Maybe there will be no such black swan events affecting population growth.