I totally here you! It is hard to educate some people...some people just have to learn from example and see our results before they even test the waters.
The breastfeeding issue that your aunt was having is funny! I think too many people try to schedule breastfeeding. It should always be on demand, and in no time flat, the baby will be on t good feeding schedule getting as much as they need. You can't just schedule a baby to feed every 4 hours, unless they are being fed a filler, which is exactly what formula is!
Oh well...this is a journey for all of us, and we were once un-educated.