Originally Posted by
Nate Grey
Jax figured out, or was under the impression, that he was passing down a sickness through his family, borne out of himself idolizing his father. So his plan was to clean up his own mess (which came about thanks to Gemma's lies) and have his sons HATE him so they wouldn't turn out like him. He was never trying to get the club out of organized crime (probably couldn't even if he wanted to), he was trying to clear the playing field of all current enemies before taking his own life.