Thanks for this post. Biblically speaking, since the JWs are the "temple" organization, it was prophesied that they would be infiltrated with "weeds", an allegorical reference to the "mysteries" and thus Freemasonry within the witness organization.
Also, since Freemasonry is linked with Babylon the Great, the admonition to "get out of her my people" would indicate not a few JWs would be secret, practicing Freemasons. Of course, Jehovah expects them to be free from this cultic connection in order to get into the kingdom.
LG