Swedenborg founded the New Church based on his claimed visions rather than submitting to biblical authority, leading to teachings that departed from orthodox Christianity.
Jehovah's Witnesses reject core Christian beliefs such as the Trinity and salvation by grace, so Christians should approach them with biblical knowledge and patience.
The International Church of Christ uses manipulative recruitment, mandates baptism for salvation, enforces authoritarian structures, and isolates members, asserting it is the only true church.