Regarding the family, you are very much correct. This is a huge reason why I don’t see feminism as a movement much less an organized one.
But the common good (meaning people coming together to discuss and contribute to solutions they share to problems they share) here I think is something which Feminism has never done a particularly major job of championing. It is not that feminists don’t split on this but rather that feminism on this issue tends to mirror whatever the larger society does in this regard.
So European feminists may be open to (and promoting) the idea that procreation, for example, is a common good worth supporting in public policy but float that in American circles and…..