It may have been said before, but I think the driving moderate is for breaking in the drivetrain and the WOT may be for the rings.
Exhibit gear break-in procedure: https://www.yukongear.com/blogs/the...lRvLyGPkqVyfoWsJFEHYUYar8Zyh1Sp9oydDUMIVoGQK5
Exhibit gear break-in procedure: https://www.yukongear.com/blogs/the...lRvLyGPkqVyfoWsJFEHYUYar8Zyh1Sp9oydDUMIVoGQK5