I like Danny McBride as a writer and actor, but he does seem to really only have one character, which is the arrogant moron. He plays the role to perfection, but we’ve seen him do it in movies as well as his HBO series Eastbound & Down, Vice Principals, and now The Righteous Gemstones. But in The Righteous Gemstones, the act feels thinner than ever, not only because the hypocrisy of the characters is so obvious, but because he’s playing the ensemble’s least interesting role, a character devoid of texture or nuance. The majority of the comedy …