They have not changed their position and I doubt that they will. They are indeed claiming that they are clergy so there's that too.
If they change, the floodgates will truly be wide open, and they are already settling more cases out of court than they can afford.
The 2-witness rule is indeed their red line. They will not be shifting to 1-witness in the foreseeable future.
They reluctantly admit that CSA is a crime, but their actions betray that they view it as sin, maybe just a short-coming. It depends on who you ask. Look at their actions and decide.