This is more encouragement to update your passwords routinely. But why?
Here is what Microsoft through TechNet says,
Tip: Best Practices for Enforcing Password Policies
So a final note just because someone wrote an article that does not make it sound advice to follow, the author admits it in this note at the end of the article.
Note: this paper is not to be read as an encouragement to end-users to ignore security policies or advice. The opinions expressed are those of the author.
Be sure to get with your security advisor with the expertise and credentials to give good advice.
Be safe out there friends. If you get a notice of a password hack it may be too late. Get your passwords managed by profession password tools.