The ever-growing concerns regarding these "superbugs" is a roundabout arguement in the making.
First,humans themselves have only their history and lifestyles to blame.Think on it: We boast that we're the ultimate predator,but in actual fact are the ultimate vermin.
We take much,much more from the Earth than we ever give back.We alter forever our surroundings;putting other species in peril of extinction.We breed like rats,without being very choosy about the health-history of our mate(s).(The Earth's human population is over three billion without any end in site.How much brains does it take for two adults to think:"Hmmm... we can't feed,clothe,or school ourselves;perhaps bringing a child into this world at this time isn't such agood idea.We wouldn't be able to feed,clothe,etc.,the child(ren)."
As harsh as my statements may sound,"Nature","God",or Whatever,or Nothing has thrown everything at us to keep the World's Most Dangerously-Infected Animal (nice title,eh?) population in check.Yet,we keep on living beyond and outside the Natural.How many more tens of thousands of years do you think we need to learn from our past and present mistakes?
Ultimately,"Nature" will have it out with us.We'll lose,and life will continue anew;but not for Mankind.