Brute Force and Ignorance. A BFI operator is someone (usually in a corporate software development environment) who uses set policies and methodologies fanatically while studiously avoiding any rational thought. BFI operators do not last long in the Valley.
Dave: Did you see how Tom re-instantiates the same class each time he uses it, rather than referencing it? A total BFI operator!
Larry: That's how he used to do it at Redmond.
Steve: What's he doing in the Valley?