Most of these symptoms are also consistent with an employee who has problems in their life outside of work: clinical depression, ongoing divorce proceedings, caring for a chronically ill parent or child, etc.

If you come to work every day physically and/or emotionally drained, you're not going to care very much about the "mission of the organization".

"4. They have been less interested in pleasing their manager than usual."

Thats not why people come to work.

Terrible article

From the article:"But take a closer look at that list and you can quickly see that all of these various behaviors could be described by one simple, everyday phrase: You're in trouble if your employee starts phoning it in."

This may be pretty obvious but it's not quite the terrible analysis of relying on just #4.