Wow after 17 years what on earth made you want to go back to the cult?
Nothing. He just wanted to be reinstated in order to fade away without being disfellowshipped. He evidently does not want to be shunned by the JWs he knows.
By the way, this is quite ironic and silly. JWs will shun people who are disfellowshipped or disassociated, even if they are good people, but they will not shun those who are just inactive, even if they are much worse people than those who were disfellowshipped or disassociated.