Several years ago, a few conversations on this board noted that elders and elder bodies differ. Frankly, there is no uniform way to deal with "apostates" from the JW point of view, because interpretation and other variables are at play.Now that CO's are used to make local decisions directly to insulate Bethel from lawsuits and liability, that is even more the case.
So first of all, BE CAREFUL. Maybe they'll go after you, maybe they won't. For them to say that this is the beginning of apostasy should put you on notice. I am unsure if you want to stay in and fade or not. If you do, you have to commit to playing the game somewhat.
I actually like the suggestion of employing the mental health card, if you want to. I am all for using misdirection against them.
Lastly, all it takes for someone to get DF'd or to stay is momentum within the elder body and the CO that they consult. Some have been DF'd for less, or more. Your mileage will surely vary. Just be on guard.