"Where were the men to be depended upon in times of trial and danger? Where were the God-fearing men to rally around the standard when the foe was seeking an advantage? Some who should have been at their post were unfaithful when their help was most needed. Their course showed that they had no special interest in the advancement of the work and cause of God. Some thought that too much was expected of them; and, instead of cheerfully moving forward to do what they could, they sat down in Satan's easy chair and refused to do anything. 2T 638.1"
"His watchmen are blind: they are all ignorant, they are all dumb dogs, they cannot bark; sleeping, lying down, loving to slumber."
Both passages describe leaders or members who are not fulfilling their responsibilities. Isaiah speaks of watchmen who are blind and lazy, while EGW describes those who are unfaithful and unwilling to contribute to the cause of God. The core idea of neglecting duty connects the two.
Some were ever jealous. Brother E was of this class. He has a peculiar stubbornness in his organization that leads him to persist in a wrong course because he thinks it would gratify his brethren for him to change and take an opposite course. At times, when he feels just like it, he is ready to do anything in his power to advance the cause of God. But he loves so well to have his own way that he will let the precious cause of God suffer rather than give up his will and his way. Brother E is not a man who can be depended upon. He is subject to the temptations of Satan and is frequently under his control. He has a selfish, unsubdued heart. He is fitful, impulsive, now hating, then loving. At times he is kind, at other times jealous, envious, and very selfish. He cannot perfect Christian character until he resists temptation, subdues his own stubborn will, and cherishes a spirit of humility, a willingness to see and confess his errors. He has been, at times, true and earnest. Then a wave …
"A double minded man is unstable in all his ways."
The description of Brother E's instability and inconsistency directly reflects the concept of a 'double minded man' described in James 1:8. Both passages highlight the negative consequences of lacking a firm and unwavering commitment.