In fact, if your child makes a post about their new pet, someone may ask about their pet or congratulate them when they aren’t even online themselves. Another reason why some parents prefer letting their children use online message boards, as opposed to online chat rooms, is because most message boards are monitored by a trusted adult, who is sometimes paid for their work.
This means that all offensive posts should be removed in a relatively short period of time.
You will, however, find that a good percentage are.
In fact, most message boards for adults also have someone who reviews the content. In fact, the same should be done with internet chat rooms.
The same should be done with online message boards for kids.