(Luke 17:1, 2) 17 Then he said to his disciples: “It is unavoidable that causes for stumbling should come. Nevertheless, woe to the one through whom they come! It would be of more advantage to him if a millstone were suspended from his neck and he were thrown into the sea than for him to stumble one of these little ones.
The GB made a lot of JWs stumble when they made the wrong predictions about 1975 and all the other wrong predictions.
So the bible is very clear, who is blood-guilty.