User blog comment:The Milkman/The Writing of the Ending/@comment-30764484-20120605044952/@comment-5503561-20120605142430

If nothing else, IT creates a possibility for a retcon. If a few more subtle or not so subtle changes in dialogue were made that indicated that this was a play on Shep's psyche - he could break out the last minute and head to the Citadel and have an actual ending choice that makes sense.