like rep, country and join date it is merely a bit of trivia about the member. though relatively meaningless, they do give clues about the personality behind the screen name.

for instance:

someone who joined three weeks ago and has 5,000 post most likely has little to say, but insists on endlessly repeating it.

[align=center]or[/align]

someone who is obviously from the us and insists on flying the flag of another country undoubtedly has sever mental problems and should seek professional help immediately.