This is, of course, why 'self help' is best performed in communities where other people's agendas are not there to interfere with your progress. Given that success is for most part social and zero sum there will inevitably be epistemic pollution as a result of other people trying to influence your behaviour for their own purposes. Morality, after all, is mostly a tool used by people with (an appropriate kind of social) power to control the behaviour of those most vulnerable to its influence. (Note that sometimes it also serves a useful overall social purpose but it is not there to help you.)

Edit: If nothing else having specialised self help communities prevents every single remotely related conversation from ending up derailed into ethics.