Maybe the posters who feel the threads ought to be strictly adhered to, used to belong to the Beeb boards. Some of those boards could be very strict about adhering to the subject, although I always felt that it was to make policing them easier. They felt they had to maintain their good reputation.
Things you learn from Watching TV (light hearted)
Disappearing contributors - part 2




but the former example is a reflection on how women react 'in the real world' as we are born pacifiers.