And to the pp who asked, it’s not ‘just the water’ that makes formula unsafe. The product itself is basically a Petri dish. The water must, must MUST be at least 70c to kill the nasty’s (something that still seems to be ignored here sometimes) so if a family has no access to clean water plus kettle/stove and energy to heat it it’s a recipe for D&V, which as we know can be fatal in certain places.
Or you can, you know, buy it premixed (liquid, not powder), in sterile bottles?
Some premixed bottles you can even pop a sterile teat on top. A bit wasteful in the long run, but a life saver when you're stuck in hospital with nothing to boil water with or sterilise bottles. And so convenient when travelling out and about! (especially if the person travelling with the baby doesn't have lactating boobs, e.g. Dad)
The worse thing about formula is the lack of reliable information, because doctors and nurses and health visitors apparently aren't allowed to talk about it. A bit counter-productive, given that most baby end up formula fed. Surely it would be safer for babies to be formula fed by people who know what they're doing?
In any case... formula is definitely infinitely superior to no breast milk (not unusual after traumatic births).
Also, let's face it: it's nice for the Mum to not be burdened with 24/7 feeding. Great way to get Dads more involved, and allow Mums to have a bit of a break (and/or get on with their lives, like, you know, working for a living)