Their whole claim to authority is based on them being the appointed Faithful & Discreet Slave, existing only during the time of the end. They strip away all that really happened and reshape it to bolster that claim.
It is certainly not by the accomplishments of wt that such a claim could be made or maintained.
WT's claim was always to be right, everybody else wrong. Was that not the message in our time? so, they are laying a new, crack - repaired foundation, crack-pot nevertheless.