No need to be confused.
In the forum description of the Christianity Debate forum, you will see that that forum is not for someone to come in attacking Christianity or to debunk it. That can be done in this forum, or God Without Religion forum.
The post that was moved, remember it wasn't deleted - was done so because it was deemed being more gnostic than Christian. There is absolutely nothing wrong with that! Especially when there is a forum specially made for Gnostic Posts.
Of course the Debate Forums are available as well, and you will always notice that a message is left un-touched by a moderator as long as the message meets the requirements outlined in the description of that forum and the posting guidlines of CureZone.