Theoretically, it should since RF did impact Blessing threat, which was the primary means for Vanilla Prot to generate threat - by spamming Greater BoKings on the largest class make-up in the raid.
((The bug was RF affected all Holy-school spells, including Healing ones.))
Source: Righteous Fury Mechanics == OP Paladin Threat (1k+ TPS)
Uncertain if it was fixed in SoD.