You're right, you must not understand what YOU means.
In the English language, the word YOU can be interchanged with the word ONE when speaking of an individual or group of individuals who are otherwise unspecified (not mentioned by name).
Example: "When ONE considers Fox News" can be stated as "When YOU consider Fox News".
There isn't enough time in a day to cover all the actual facts that were not addressed in CJ's "article". I'm a busy person, but here's a web site that might help you find what you're looking for:
www.google.com