To be fair I don't think the babies are too much of a problem, to me the slightly older toddlers are a pain in the ass! - a friend of mine has a girl she's about 5 now and god forgive me but I have to stifle the urge to say something nasty to her or worse give her a good smack! - absolute brat who has to be the centre of attention all the time and I seem to be the only one who doesn't find her amusing or entertaining - I just find her irritating and vain, she's like one of those stage kids but other people stand around laughing and smiling! - maybe it's just me, or maybe the other people are really good actors!
I suspect they're just good actors. They're probably wondering how you can stick her as well. Nothing worse than a precocious brat whose mother encourages her to be the centre of attention.