Board Thread:Questions and Answers/@comment-3966185-20130630195338/@comment-3974711-20140519142537

If we accept the series as being in the same continuity, then yes, Feedback should naturally be included in "every alien Ben had ever used" whether or not we heard of him.

The key words are that Azmuth said that the Omnitrix Ben currently had on would never accept the Conductoid DNA. He never said that future Omnitrix models wouldn't be able to. Ben just needed to stop hating himself for what happened, and he would gain the confidence to use his favorite form again.