No, it can not. There is not and never has been any torque vectoring system used in WRC cars. What is being changed by switching of differential maps is the locking behavior not the torque split.
If I'm not wrong there used to be some king of adjustable split in Toyota Gr. A cars. But I'm not sure it was about the torque.
"With that car, your brain can actually never keep up"
https://www.youtube.com/watch?v=_4IRMYuE1hI
Yes.
Don't forget the current promoter is still obliged to do it's job until 2034 or whenever it is, or if they get wound up or bankrupt first. You'd need that before the FIA chat with...
I'm waiting for the Rally Croatia one, which is two months from now. That's frustrating.
WRC Secto Rally Finland 2026