It is not at all that kind of doctrine and that comment is surely a put-down.
And, perhaps it is settled doctrine for you, given the Pope has declared it mandatory of Roman Catholics, but it is not in the least settled for anyone else.
Which would mean it is not settled.
In Christ,
Deacon Paul+
And that is assuredly not the Anglicanism of the great Caroline Divines my Catholic Grandfather had me read (Lancelot Andrewes & Co.) who would have chewed you up (and me too for that matter) in a New York minute.