I guess I don't get the "hide the truth from the children camp" at all.
I wish my five-year-old self had had that five-year-old as a friend. There was no information available in my home. I think at 10 I was still trying to figure out how a penis that faced the feet got into a hole between the legs. Some mention of it getting hard and turning up would have saved me much needless confusion.
I answer questions honestly as my children ask them I wouldn't be disturbed by that at all. I WAS disturbed, however, when the 9yo girl next door asked me "where do you get babies?" I wanted so much to tell her