Possible breakthrough for delivering effective therapy

I ask myself how come I struggled to find a counsellor, therapist or mental health professional who could understand my problems and deliver an effective, lasting treatment which I felt really helped ME?

[First read about MBTI and Big 5]

I'm noticing the difference between happy INTJs and unhappy ones seems to come down to their Big 5 Emotional stability score. I believe the correlation between these results identifies a very specific sub group of individuals who will all experience very similar problems in life and I begin wondering if there is a specific method for helping these types of INTJs to feel happy and deal with problems? Psychology based therapy generally seems to use a "one size fits all" approach, and I've not heard of treatments which are determined and tailored by assessing a combined MBTI and Big 5 score. At this moment, I believe constructing a treatment model with this in mind could make a big difference in how effective therapy and help is to certain individuals.

Currently most therapists assess patients with mood rating tests and leave it at that. Sure- that shows how depressed or anxious someone is, or even filter out issues like compulsive behaviour, but they do not then seem to have a method for treating different personalities from the start, and instead attempt to use a universal rule for treating each patient, or try to figure out how that patient thinks over several sessions, which could be a waste of time and resources. Even after several sessions, that doesn't mean a therapist would have figured out their patient's personality, or even know what to do to specifically treat their personality type. I don't have the answers for treatments for different types, or even my own, but I have learned that people with my personality type will not feel comfortable with someone who can not comprehend our way of thinking, seeing the world and communicating. I wonder if this contributes to why therapy is not always effective and perhaps such assessments could lay the ground work for generally delivering an improved and more efficient mental health service?

Basically- how about treating patients after first assessing their general personality type and using a specific structure of treatment for that type?

If only a psychology team in a hospital could research my idea further to check it's valid, work out different therapy strategies for the different personality types and then trial this assessment method to see if it had a positive impact.

There may still be a universal rule which would effectively treat nearly all different personality types in one hit, but certainly such a therapy method does not seem to be recognised and used on a wide scale as far am I know. I was informed that a certain scientific test (I'm unable to cite a reference now) proved that a psychotherapist's treatment is as effective OR LESS than a typical housewife with no experience in psychology and treating patients.

I'll write more about Anthony Robbins later, but as an example, I believe if the NHS were to treat patients by investing in one his seminars filled with 1000 patients suffering with depression, mood problems, negativity etc, it would be more effective than a dozen individual therapy sessions for each patient. Something needs to change with the current mental health service BIG TIME, that's for sure!