Tina, your questions are very valid.
But, there is a logical, although heartwrenching, answer to your question..."The needs of the many, outweigh the needs of the one". Sad, but true. That "one" baby, will hopefully save the lives of many others....IF we take a stand.
I'd make a terrible investigative reporter because I would have snatched that baby too!
They've actually done a study on ethical dilemas. What they found was that sort of thinking causes a LOT of areas to light up in the brain. Logically, it should be easy. But as humans we find it very hard at times. It's a big issue for documentary makers and investigative journalists filming in tough situations. Or even situations when they face nature, and have to decide to interfer or not. For example, wolves killing a moose