Perhaps Mr. Remler doesn't know as much as he thinks he knows...
For further review, Alban restored Doc's tongue near the beginning of "Under Hill, our 8th storyline, and took it away again at the end. Eulatti then both restored it and removed it permanently at Doc's insistance in the middle of "Hypocrisy," our 20th storyline.
Thirty-Two - A Flick of the Lash