We do not know if god-belief or the Trinity would have long survived the assaults of Thomas Aikenhead, so we can be sure it is a good thing that we have priests with no other useful function than to protect us.
Hitchens says, "I'm an atheist. I'm not neutral about religion, I'm hostile to it. I think it is a positively bad idea, not just a false one. And I mean not just organized religion, but religious belief itself."