But of course even Holy Scripture is not, for them, truly the Word of God, except in some poetical sense
Then, they are really neither Catholic or Christian and this fact should be brought to their attention. Why would they call themselves Catholic/Christian and spurn the very foundation of their faith. Priests/pastors have to become bold in denouncing that which contradicts the Word of God. People have to know they are going to hell and don’t even know it.
Gnostic is a better description. Except they are not even consistent in that.Maybe Liberal Protestants, like many in the Episcopal and Lutheran church, like the ritual. even though they basically empty it of all its traditional meaning.