I have been doing a minute by minute podcast analysis of The Big Lebowski since last year and some of our episodes are almost two hours. http://gutterballs.tv
I think the comment author was just trying to emphasize they were trying to be thorough, a bit like when police say they will search an area with a fine-toothed comb. No reasonable person expects the police to use actual combs.
http://jacksongariety.com/journals/the-big-lebowski-project
:)