What to consider about Secondary views today
In Protestantism aka Christianity we have two areas to consider. The first is essential. Esentials are essential because it tells us who we can associate with. It sets us apart from religions and cults like Roman Catholicism, Mormons and JWs. The other are non essentials. The areas that after we agree on the essentials... are other areas where we grow and learn about and can help us find a likeminded church that holds to what we believe. These are usually called Secondary and Tertiary beliefs. Remember, the Reformers came out of Roman Catholicism. When they began reforming, they concentrated on immediate concerns having to do with essentials, (salvation issues, indulgences, etc), the finer ecclesiastic issues. So secondary issues like eschatology were way down a list and they would not have time to deeply study and address prior to martyrdom. They never got that far. Even Luther still clung to his error concerning the Jews, with the opinion that the "Jesus murderers" ought ...