I believe they are deceived by choice. You likely know that, as well as the following so this is not necessary directed at you, I only like to make it clear every now and then for those who are searching for the truth. The evidence OSASr's know perfecly well thy haven't a leg to stand on is in their posts, where when they are backed into a corner with no way our and no way to refute the truth, they do some of the strangest things, like:
1) Find an excuse to be mad at their adversary and pretend they aren't talking to them anymore because of something they did, which of course did not happen, but it gets them out of the jam they are in.
2) They suddenly lose grip on the most basic common sense, and they can no loner understand even a simple sentence, but only if it's to their advantage not to understand, they understand perfectly when it's something useful to them.
3)They ignore your post completely like Carl just did/others have done, and/or they skip all or whatever questions in a post that it would incriminate them to answer.
I could go on, but those make my point that they are aware of exactly what's going on, else they wouldn't avoid just the things they know exposes them. I've seen it so many times I'm absolutely convinced they know, but they hold on to it because it's more fun to act how we like and still go to heaven and not have to do good because that requires an action, and what Christ/God did for them clearly is evidently not worth their being obedient to them.
An "all about us" world born of such extreme selfishness, they have no trouble teaching this very dangerous theology to the innocent who seek the truth, and maybe drag them down with them.