Maybe we are all beating the subject to death and it is reaching levels that don't make sense...
No great person in history, as far as I know, did anything because they were trying to be millionaires, or win the lottery, or land a particular job. They did what they did because they either got great pleasure out of doing it, or they wanted to eliminate a disease/condition/etc, or feed their curiosity that kept them up at night... In the meantime they used what LoA suggests: intense focus, passion, not accepting failure, action, patience, commitment, etc..
Now some dudes come out and say "Look these great people did these great things and here is the formula they used". They are not lying per se, but that formula worked only because of the particular purposes involved. It was for service of some kind; for the advancement of humanity in one way or another. You can't apply that formula to win the lottery, or get $5.63, or land a job...
Bottomline is, these people were serving a purpose higher than themselves whether they were aware of it or not. If your goal is to serve others, I am sure LoA will work wonders. Go Steve! If the goal is to benefit one's self, I doubt it will do much if anything.
Dormant forces come alive when you are a bridge from the source to the destination/purpose. As it flows through you, I am sure you get your share of it. If you are the destination, then nothing flows at all. Perhaps it's that simple.