Primitive Christianity Revived, Again
Hatha Yoga isn't about achieving perfect form or getting healthy, but (as Erich Schiffmann explains) about learning to align with God's guidance towards such results.
Quaker Business Meeting isn't about perfectly formal Quaker Process, reaching consensus, or making ideal decisions. It's a way that participants learn to align with God's guidance. [This may be why some atheists I've known were mysteriously attached to the practice, for reasons they never could make clear to me? Much as secular people might take a yoga class, endure the teacher's allusions to spiritual aspects, but find that practice leading them to unexpected perspectives on life?]