Wow, it's really weird hearing babies being referred to as 'it' and 'thing'.
I don't think any of us think of actual babies we know as "its" or "things" in real life (well, maybe a few of us), but in a forum situation it seems silly to have to type "him/her" each time you're referring to the baby. Often you can't even tell what gender they are, and really, it doesn't matter all that much in the context of a forum that's for people without kids. We usually refer to toddlers as him or her once it becomes more obvious. Parents are so touchy, they get [censored] at you if you get the gender wrong anyway, so why bother trying when it matters so little here? I wrote a lot of these posts using the word "it", and I actually really like babies, I just happen to not have one.