The GB have failed to keep a diligent watch by their own admission - 'we just don't know'
Splane said that they didn't know when the the last of the anointed in the first group died and when the last of the second group became anointed which, according to their interpretation, would have been before the last of the first group died. He said they just didn't know.
However, he proudly named numerous anointed persons from both the first group and the second group. He didn't say that these people alleged they were anointed, he said they were and was able to identify them by name.
They keep detailed records of publications printed, distributed, hours of witnessing work, number of publishers and the list goes on but he cannot identify the end date of the first group and the last person in the second group. They are the elite, true brothers and are supposed to be working together in the body of Christ.
They profess to know what Jesus meant by this generation but fail to keep adequate track of the anointed in order to make better application of Jesus' words. Only they could have done this by their own reckoning and they failed, they just don't know.