I was having fun with your misspelling of "title", likening it to the word "tit" meaning "breast." If you double the "t", the "i" changes from a long i (as in "like") to a short i as in "lick" (or tit).
"Retraining the sub-conscious" is a long-standing technique, from way before Hubbard's use of it. Napoleon Hill famously used it in his very well-known book,
Think and Grow Rich, which is not so much his own bright ideas but a summation of generally workable techniques from the most successful businessmen of his day.
I don't see anything wrong with it, but *only* if it is used with the informed foreknowledge of the person concerned.
Paul