Having grown up attending Boy Scout campfires, I see nothing wrong with singing w/o accompaniment, or with a simple rhythm guitar or piano underneath. But some of our churchy types these days want PRODUCTION VALUE. I mean, they're not singing church camp songs. They wanna do Christian pop/rock.
My interlocutor corrected me: "It's called Praise and Worship music," she said.
"Yeah, yeah," I replied: "Schlock and Awe."