Whether true or not, it was surely heartfelt. And awfully impolitic.
These are tough times for the CofE and its daughter churches, so we won't pretend to be shocked by a bit of internecine namecalling. Plus, we've read the Starbridge novels, so we know what it's like in those Gothic pressure-cookers. Nor are we Lutherans, with our blunt Teutonic manners, strangers to the gruff insult.
But still, gentlemen. A crisis is no time to lose your composure.