I'm not a Witness. I never was one, though as a child, I attended meetings with my mother who was one, though an educated, usually clear thinking woman. I see most Witnesses as earnest Christians. I don't have to see the governing body as christ's chosen to believe that.
I have no problem with many of the basic Witness doctrines. But God chooses whom he will, and simply claiming to be the faithful and wise servant does not make you that. The Watchtower misrepresents what is clearly an illustrative parable. You do yourself no or little harm by staying a Witness, as long as your mind is turned on and you are faithful to the law of Christ.
Watchtower belief is an evolving system. Russell, the founding editor of Zion's Watch Tower, would not accept current Watchtower teachings. I do not think that matters to anyone but 'Bible Students.' The name is a total misnomer. They're Russell students. God expects, I believe, faithfulness to himself and his son. Humans do not enter into that equation, though the Watchtower teaches to the contrary. We owe nothing to a group of men who think they have some sort of divine appointment and who must distort a parable to prove that.
We owe everything to god and christ and our own conscience.