public service announcement
When Streit's writes, on the package of egg matzah (which is much tastier than the plain sort), "egg matzos may be eaten only by the infirm, aged or children according to Shulchan Aruch", what they mean is "...in order to fulfill the obligation at the seder specifically". Why they don't say that is beyond me. It confused me the first year I was paying attention (so I asked), and I was just reminded of it by the box of matzah sitting on my desk here at work. (The rest of the week you don't have to eat matzah at all if you don't want to; you just have to not eat chametz.)
Re: flour and mostly water
Except sometimes they didn't. I got a note once with my meal, saying the caterer wanted to give a mezunot roll, but the O-U thought that people should say the full benching after the meal anyhow, so the O-U forbade the caterer from giving a mezunot roll, and they (the caterers) were terribly sorry, but the rolls were real bread rolls. They suggested that if people didn't want to (or couldn't) get up to wash beforehand, that they not eat the rolls.
I really wish I'd saved the note.
I see this whole issue with Egg matzah as another example of the O-U using their power to take a small, uncommon practice (not eating egg matzah at all during passover) and trying to force it on the greater Jewish community. Well, my custom is, whenever eating egg matzah on passover, to say, "My, I feel particularly middle-aged and healthy today!"
Re: flour and mostly water
Uh ... I don't get it. Not least because the OU is hardly the only company that certifies egg matzah as kosher l'Pesach ... If you ask me, the confusion stems from the fact that the wording on the box comes off as odd (and certainly non-specific about when eating egg matzah is an issue). Yeah, people do have different customs about this. But ... the mighty super-powerful meanies at the OU, running around the country and shaming people out of not eating egg matzah? I just can't see it. Besides, why would you make halachic decisions based on a cardboard box? I would think family minhag or a rav's advice would be more important.
Re: flour and mostly water
So an interesting question is this: do the non-OU egg matzahs have the same wording? Because I've seen identical wording on egg matzah from different companies, with the only connection being that they were certified by the OU, which makes me think that they (the OU) are responsible for the wording. No company in their right mind would print something that confusing on the box of something they're trying to sell.
Besides, why would you make halachic decisions based on a cardboard box? I would think family minhag or a rav's advice would be more important.
Well, I would never do that. Nor, apparently, would you. But there are a lot of people whose family minhag is to eat whatever, and who find it much easier to just figure that the OU knows what they're talking about. Or who think that it's always better to be stricter. Or who don't have a local rav they trust as much as the esteemed folks at OU.
Re: flour and mostly water
The package from which I was quoting was certified by Kof-K.