Things had changed by the time the old bastard died. When CTR died the Bible Students were dumbstruck, wondering what the hell they'd do next.
When Rutherfiord died there was probably a huge collective sigh of relief. The Wikipedia article on Rutherford quotes a Watchtower in which a Bethel worker recalled: "It was at noontime when the family was assembled for lunch. ... The announcement was brief. There were no speeches. No one took the day off to mourn. Rather, we went back to the factory and worked harder than ever."
From memory there were about four people at his funeral, and I'm not sure even his wife and son were there.
By the time he died he had knocked all humanity out of his followers. No one dared grieve, because that was seen as being just like the world, and failing to have faith in the better life to come. Even today Witnesses are very stoic about death, holding back from any real show of emotion for fear of being viewed as lacking faith. Funeral services limit the comments about the departed individual to how much they "loved the truth" and looked forward to the new system, and then they cut straight to the recruitment section of the talk.