[codeafin]

This also has happened to me multiple times.

And to the comments saying the employer could "replace you any time" - most cases, they just don't know how to do so, or have the time and money to do so.

This strange article teaches you to do your employer's job by making it easier to replace you.

[hathym]

Agree, that's why I think the article was written by a manager that lost some key people and he is in big trouble.