Dolls are fucking scary man, I'm telling you... when a Manikin is behind me... it's like someone is behind me...
Well part of the Titan's horror is their stupidity. That slack jawed expression a mask of unfeeling hunger as they eat everyone you've ever loved alive. Worse, its not even a necessary biological function for them, they eat just cause, and they'll eat you just cause.
Look, if I started visiting this place on a regular basis and reading it like it's THE DAILY HERETIC, I'd be furiously caffeinated too. Does anyone else feel like their heart's about to explode?
Tau would honestly be better if they were more psychically powerful. Then they'd realize that Chaos is the Greater Good, and start summoning fuckloads of Daemons.