Hello,
When the same person (as described above), forgets to follow theWelcomed thought.
rules, we just jump on him/her and scare him/her from asking
questions. Or otherwise, we just irritate them. This IMHO, is not a
good idea. The best option would be to leave that "policing" (for
want of a better word), to the person who is genuinely trying to
answer the question.