To be clear, that is not a foundational principle of CBT, it is a quote from a book. Also, this article is certainly showing off distortions that CBT will teach, but is trying to apply it in ways that are different from CBT. CBT is focused on the idea that people recognize their emotions easier than their thoughts, so when they have emotions disrupt their lives, they can dig deeper to find the thoughts that brought those emotions up, recognize unhealthy patterns, and fix it.
CBT is just a tool. It works for some things. Not everything.
CBT is just a tool. It works for some things. Not everything.