What does that have to do with philosophy?
Much like figuring out how much to tip your waiter is a mathematical exercise. Just one that might not shake the foundations of academic mathematics.
Just because territory is well travel, doesn't mean everyone has walked there.
"Wikipedia trivia: if you take any article, click on the first link in the article text not in parentheses or italics, and then repeat, you will eventually end up at 'Philosophy'."
I know a more then one prof who'd agree with that statement.