I do love the idea, though. "Human Nature"/"Family of Blood" is my absolute favorite Doctor Who episode, and it's pretty evident in the amount of fanfic that I've written about it (most of it not yet posted here), especially considering that The Actor is completely based on the concept of the chameleon arch. Tim is a fascinating character, and supposedly his response to Hutchinson's "You filthy coward!" - "Yes, sir, every time!" - is supposed to mirror the Doctor's choice to be considered a coward when asked by the Dalek Emperor, because Tim has a little bit of the Doctor in him.
Perhaps I'll return to this idea again someday, either to rewrite or rejigger this piece.