If people try to change (themselves or others) by using a standard approach without adjusting it specifically for the person that wants to change, it will be too general.
In other words, individual change has to be adjusted to the individual.
From the article
"The moral is that our models should fit our aims. If you want to explain the workings of a particular system (f inst a person), produce a highly specific model. If you want to say things about a lot of different systems, produce a general model."
Full article here
That is one more reason I work without some specific theory about you or anyone for that matter.
I instead pay attention to how you organize your mind, since this is the key to your results (wanted or unwanted)
Cone experience the difference that makes a difference here