Why does preacher allow winn dixe to go to church?

Preacher allows Winn-Dixie to go to church because he understands the joy and comfort the dog brings to Opal, his daughter. He recognizes that Winn-Dixie's presence can help ease Opal's feelings of loneliness and anxiety, making the church experience more positive for her. Additionally, the preacher values the sense of community and acceptance that the dog represents, fostering a welcoming atmosphere for everyone.