Board Thread:Questions and Answers/@comment-212.35.14.225-20150704132426/@comment-1672596-20150909190059

And again, if he wanted to make it non-canon, he would have said that way back when Ground Zeroes was released instead of saying it was canon when asked.

Besides, if I remember correctly, that interview you referenced was made before Ground Zeroes was released so if anything you are using outdated information.