I found these are all exciting.I can't say anything about the boring part because it is subjective.
And no, the big five theory does not describe thought process. But I think this is actually the most challenging thing with it. We only know that the statistical trait is made upon what others would describe as the quality of a person. Digging about the how is really intriguing.
Actually I disagree with you because the big five theory could be use for personal growth and that s because it predicts stuff. For example, when you understand the disagreement between the left and the right because of personality it gives you and insight about what people believe or act and why, what is his purpose. I use the big five to identify strenght and weaknesses and having a self authoring program about it, even meditate on it.
I know for example that I am a very creative person and so I know that I would have an advantage in art for example
Yes, all the reading is here