When I was a Catholic, I was aware of the idea that sometimes you don't say things because they Give Scandal, they make your side - in that case the Church - look bad. You might be very worried about the Future State of the souls of your Protestant friends, but talking about it all the time was Bad Form and quite possibly counter-productive. I don't much care for the passionately religious of any stripe any more much, except when they happen to be people whom I trust not to go mediaeval on my ass, but the idea that we should use them to kill each other off is both wicked and bad in a CYA sort of way. It is wrong, and if Hitchens doesn't see it is wrong, he should see that it Gives Scandal.
He is turning into Anne Coulter as we watch.