There was much controversy even in the early ecclesias. It means that believers are passionate and digging into the Word of God. So let's try to look at these controversies in as positive a light as we can.

Additionally, I am now aware that the "You Can't Believe in Eternal Torment and Be a Legitimate Believer" camp is split into two factions. 1) The Costen camp, who claim that the salvation of all humanity IS the gospel (and by extension, justification by faith is NOT the gospel) and 2) The salvation-of-all-is-not-the-gospel-but-you-stil-have-to-not-believe-in-eternal-torment camp. 

I call this camp the "dbT" camp, meaning, "Don't believe THIS."

So far, from this camp, the only sin that one must not commit to be in the body of Christ is to believe (dbT) in eternal torment. It is not clear at this time whether or not a belief in annihilation is on the dbT list of sins that will keep one from eonian life, but if there are any further developments (that is, if the dbTs add any other sins to the list) I will let you know.