It's buried halfway down the page, but the author states: Using the word "faith" is an instant turn-off for most geeks, but you can replace it with "passion".

It's buried halfway down the page, but the author states: Using the word "faith" is an instant turn-off for most geeks, but you can replace it with "passion". It's the same thing. Well, no, it's not. They're not synonyms and they refer to two very different concepts. Any discussion on this article will likely be as muddled as the article itself, since some will be discussing passion and some faith, both using the same word.