It's discussed at 49:20 in episode #93 of Reasonable Doubts Podcast. It was said that the Religious Dependency Thesis (RDPT) can be discarded in favor of focusing in on the nature of justification. But without it believers wouldn't be jolted into considering the OTF at all. Another reason for including it is because the RDPT is a fact, since it follows (not of logical necessity but of overwhelming probability) from the Religious Diversity Thesis (RDVT). However, the best reason for including it is that if the OTF was made to be about the nature of justification then the debate would still focus in on the RDPT anyway. So why not argue for it and preempt the objections?