I can sort of see where this bridezilla is coming from, actually.
I went to a wedding with my dc back in May, and agonised over what to wear to make bf-ing as comfortable for everyone as possible. I figure that there is a time and a place for discreet breastfeeding (and my GOD how much do I hate the D word?) and I personally wouldn't have felt comfortable just feeding as I usually do (ie - without much thought to discretion or other people's sensibilities! )
I hadn't really planned to bf ds, as he doesn't really ask to in public anymore, or can be fobbed off with chocolate something else, but as it turned out he was quite poorly on the day, and needed to nurse as he'd been sick and was struggling to keep water down. I just found a quiet corner and nursed him with a scarf over the top half of my shoulders (IYSWIM) - to the casual observer we probably just looked like we were having a cuddle.
Now, I know that the bride and groom of that wedding wouldn't have given 2 tosses whether I bf dd, ds or in fact dh at their wedding, but I felt that the day was about them and I didn't want to bring too much attention on myself!
I wouldn't be at all surprised if the mum on the other thread feels exactly the same way, and threads like that are a good way of raising bf-ing awareness. It's really good that there are a couple of reasoned, intelligent responses with the correct bf-ing info on them.