I definitely think you should do it.
It is not worth trying to maintain ties to family, that are willing to cut the ties to you at a wimp, because of God or what the Org. tells them to. If they can cut family off because of that, they are not human. Don't try to play it by their rules or you get sucked into that destructive world again. (The psycopath can do anything. It is the conscious people that are troubled and whose feelings that can be played) By setting a mark, you may be forcing your familymember to take up the inner conflict, whose mind may be doused by a sense of "everything is allright". (I ended up leaving, as I realized it was ME who were responsible for the cut family ties and putting pressure on them to return)
While in forums such as these, where we can discuss experiences and tell our stories, I would not recommend keeping ties to the JW-world after leaving. Tell your story, discuss the subjects you need to discuss, examine what you need to examine and share your results. The drama the JW-world are good for delivering in constant streems, may be a source for entertainment and excitement, but in "real life" I find it is better to keep a distance to the JW-world.
Make the cut final yourself, and those confused familymembers/friends that still feel tied to the Org. may then choose to ignore the Org's "advice" and see you anyway...or perhaps they don't. Set the terms of your relationsships to be on the personal level, without shadows cast by the fear of the interference from the pimp of an Org.
Allow yourself to be liberated from the Org.
Again. The psycopath can do anything. It is the conscious people that are troubled and whose feelings and sense of righteousness, that can be played upon. Cut the ties to the psychopath and liberate yourself of the manipulation.