MrsSkylerWhite I've already posted on the topic of formula feeding week up thread - my opinion (as I've already stated) is that fed is best but a formula feeding month would need to walk the fine line between accepting that fed is best and formula is perfectly fine way to feed babies, without allowing for profit companies to exploit it for free advertising and promotion of formula as better (as in the Nestlé scandal in the 70s/ 80s).
Your argument that people are not allowed to care about anything that doesn't immediately adversely affect them would be a really terrible basis for shutting people up in any context because its an essential that people care about things which don't impact them personally in an immediate context. Without that there's no civilization, no humanity, no society, no charity, no ultruism.
You're advocating for pure self interest only.
What doesn't adversely impact us today may adversely impact upon our children tomorrow - that includes turning a blind eye to media campaigns and keeping our mouths shut about things that are fraught with problems but don't impact us.
Maternity care and breastfeeding don't impact me any more because I've finished child bearing; but I have a daughter who might be directly impacted by the consequences of changes in policy now, as indeed less directly might my sons if they become fathers, and theoretical potential grandchildren.
Nobody should be told not to voice reservations about anything on the basis that it doesn't adversely effect them. Its hardly ever true - as you yourself say things might come around unexpectedly, might impact family members, or ripple effects can mean consequences for people other than the intended target audience.
Promoting formula definitely could have negative effects. A "fed is best" month or a "Baby feeding month", "0-6 months nutritional campaign" or even better just generally better support for women and their families postpartum would be better surely - emphasising that any responsible way of feeding a baby is acceptable is unlikely to be objected to by anyone.