I agree. But I can see how the two threads have come about separately. I think this one gathered a bit more momentum at one stage at the expense of the other but both are as significant as the other, the chief difference being the focus on the Catholic bishops and their part that they play on the potential passing of the RH Bill.
From my point of view the facts that you rightly point out are unfortunately exacerbated by the Catholic bishops and thus political and religious overtones are inherently brought into the discussion.