The article speaks as though leaving them, is the same as Leaving the family... Not the case, always.
see this also
”Support the decision. Disfellowshipping is part of Jehovah’s arrangement. His loving correction is in the best interests of everyone, including the wrongdoer. (Read Hebrews 12:11.) Any negative comments about the way a disciplinary matter was handled by the elders have likely been initiated by someone who did not mention details that would put the wrongdoer in a bad light. We simply do not have all the facts. It is wise, then, to trust that the elders who took judicial action made every effort to follow Scriptural principles and to judge “for Jehovah.”—2 Chron. 19:6”