The Watchtower says we need them to benefit from the ransom sacrifice of Jesus. See the Memorial Celebration and what the Watchtower says about Jesus 'the mediator'. They say that disagreeing with them is virtually the same as rebellion against God.
The truth is exactly the opposite. LOYALTY TO THE WATCHTOWER IS REBELLION AGAINST GOD!
The Watchtower claims to be God's channel of communication and path through which all of us can survive armageddon. Watchtower Sept 1989. This is absolutely false. See this article Watchtower Predictions. Prophecies that didn't come true is proof the Watchtower is a False Prophet. Deut. 18:21,22
JW's are beginning to realize that God is not the Watchtower and the Watchtower is not God.
The Watchtower says, 'By word or action, may we never challenge the channel of communication that Jehovah is using today. ... we should cherish our privilege to cooperate ... should we not strive to be obedient and submissive to those taking the lead in our local congregation?' Watchtower Magazine, Nov 15, 2009, Article: 'Treasure Your Place in the Congregation', par 5.
SLAVES should strive 'to be obedient and submissive'.
Read this Watchtower mind control message. The Watchtower says that if JW's don't obey and 'work' with the organization, they can't be friends with God! The Watchtower magazine says, 'Jehovah tells us through his organization about his purpose and what he wants from us. We can enter into Jehovah’s rest if we obey him and work with his organization. But we are acting against Jehovah’s purpose if we do not obey the faithful and discreet slave. ... And if we act against Jehovah’s purpose, we cannot be his friends.' Watchtower Magazine, July 15, 2011, page 21, par 16,17
(The 'faithful and discreet slave' refers to the Governing Body of JW's. Find out what the Bible says about 'God's slave' Matthew 24:45 - 5)
In addition to the hatred of apostates, the Watchtower has harshly judged the clergy of Christendom and followers of Christ who are not JW's. According to the Watchtower, all other religions are false and dominated by Satan. Jesus told us not to judge. Luke 6:27-41
Watchtower Society Quotes About False Religions