hannah's mommy

My mother owns and operates a preschool/child care center.
A while back, there was a family enrolled there that consistently said such inappropriate things (inappropriate for a 26 year old, let alone a 6 year old!) that it caused my mom to speak with the child's mother. Her response was that they have an open-door policy in their house, and she does not teach her children to be ashamed of sex.

Do you think an open door policy is a good idea?

Can it be taken to far?