Baby formula is fine for everyone, at least where there is access to clean water. https://sciencebasedmedicine.org/a-nuanced-view-on-breast-vs...
Breastfeeding after that is way way easier than pissing around with powders and bottles.
*Provided the mother isn't employed
The overall outcome is more important than any one factor. This applies to any activity, opportunity cost is always looming over us.
It looks like that applies to the studies too based on the parent's link - looking at just one factor finds some differences but then there's no overall difference by age 5. So that's definitely something I'll pay more attention to when the next headline rolls around.