Visa, what is the purpose of this thread? Must be something important that you want to voice out.
this thread perhaps was intended to be useful, by seeing if people actually bothered thinking before starting new threads.
actually i think Visa wanted to point out all the useless threads that have been started that have sucked up much bandwidth and wasted a lot of people's time simply cos people refuse to see if the topic has been discussed before or refuse to use the most popular web-tool around -
www.google.com
but then again, if that person is seeking an answer and finds a year-old thread and then replies to that thread, he could very well be accused as a thread-digger (which isnt a very nice thing either).
in the end, the person faces a dilemma about whether to start a thread, or dig up an old thread. the most common reaction is therefore to start a thread even though the topic has already been discussed, since its the most convenient solution.
of course, if one starts a thread on an already over-discussed topic, then it definitely shows his laziness/lack of intelligence/both, whichever applies.
thread starting is not ONLY about intelligence of the threadstarter, but rather involves lots of other factors: laziness, whether he is considerate, etc. but one also has to take note about the different scenarios.