Because we are all going to die in the "antibiotic apocalypse":
http://www.bbc.com/news/health-34857015
Some of the numbers are staggering, if accurate. Look at the ANNUAL death projections for 2050 on the world map near the bottom:
4.7M per year in Asia
4.2 M in Africa
317K in N. America
392K in S. America
390K in Europe
Of course, there is hope if this pans out:
http://www.bbc.com/news/health-30657486
Good old American research!