I didn't say it was a bad idea to stop, pause, quit, whatever you wish to call it while ahead. Actually, is a good idea while at a disadvantage. I said it makes no difference except for the fact that your lifetime playing session will be shorter which is a good thing.
Nothing I, or any other AP does is "magical" as you say. You or anyone else here can do the same exact thing of you wanted.
Sorry if I'm not suckered into the "S"uper "S"ucker club that Caesars offers. This here is one thing I'll definitely agree with Rob about.