I don't know. Eleven-year-olds aren't often known for the sense, and a kind word from home would be a great comfort. I think I'd be writing to Dad.
It just seems wrong not letting Muggleborn parents know what's going on. I know ignorance is bliss, but if and when they eventually do find out, I think they'd be much more inclined to take their children out of Hogwarts than if they were just told upfront. There are already too many secrets.
[Boneses] Yes, and I think House Potter has picked a side for us. I don't want our family getting caught up in a feud that we have no say in.