I admit it, my three year old still uses a sippy cup. Not the baby type ones, one with a straw type lid. He doesn't run around with it, and he can use a normal cup at restaraunts, it's just easier to be out and about and have some portability. We do use regular water bottle type ones too. And I don't feel bad about that at all.
Mindy, sorry you're feeling unwelcome. When I first came on here I had never seen many of the ideas presented. It was a little overwhelming and I wasn't sure I belonged. But I've stayed and learned so much. The main point I think these mamas are trying to make is that these forums are based on Mothering magazine, and therefore are attachment parenting based. Extended breastfeeding, baby wearing, cloth diapering, etc...that's what it's all about. I would just urge you to keep an open mind as you're browsing, and to respect that fact that the moms on here are passionate about their parenting beliefs. We get enough flak outside of these boards for many of our choices, and shouldn't have to face critisicm here too. Before this board I had never considered BFing beyond even a year, and now I'm still happily nursing an 18 month old, and plan to continue for as long as DD and I still want to.
Welcome to MDC, sorry you got out on the wrong foot. You don't need to agree with everything, just be aware that there are very strong opinions here. Hope you stick around!