Clarity, my foot. They do not back up anything they say. At least, Protestants use Bible verses to back up what they write on here.
The issue being discussed was charity, and not clarity. But in answer to your objection, as I've said before, sola scriptura is a protestant problem. I, nor any other Catholic is bound by it.
“At least, Protestants use Bible verses to back up what they write on here”.
Bible verses from that CATHOLIC document called the Bible.