If they live. We take so much for granted. I am sure most of us never had to fear our children dying from diarrhea brought on by deadly bacteria in the water they drank. Unless there are legitimate medical reasons to feed formula breastfeeding is not only the best choice for women in developing nations it is an essential one.
.
Formula is never an acceptable choice.
The hazard you exaggerate is easily dealt with by putting an eye dropper full of nascent Iodine in a bottle of water.
Every form of mammal milk is many orders of magnitude safer than formula of any kind.
Formula should be forbidden by law everywhere.
.