It's great to highlight the port to its practicality, respect for the physiology of the baby and the wearer not to mention the fact that it is an economical alternative to the stroller, etc. But regarding this heading the information is too brief or even false and invented certain terms that we do not always know what we hear (What is a banana seat?).
To name just one: no, we do not choose a 5,20m scarf for all sizes in order to surround the hips and look like a roast. Super convenient to lug such length when you have to install baby in the parking lot of a store, for example!
Leche League and takes very good care of everything related to breastfeeding (ie reference) but no portage, 4 French networks are specialists in this field. This is "Wear her child while an Art," "Skin to skin", "the AFPB" and "JPMBB". We should not mix everything.