The past idea about the 1914-1919 events was a reassembled house of cards that supported all following predictions, 1975 and all. but particularly the latest GB = Faithful & Discreet Slave of 1919 cornerstone.
With the 1918 captivity and release from "Babylon tg" removed, that house of doctrinal cards is actually collapsing, and with it the legitimacy of the WT's claims.