Ex-BioWare dev explains why everyone in Mass Effect and Dragon Age does that one 'BioWare turn' animation

You might not know the name, but you sure know the animation. You remember how everyone in so many BioWare games—your Mass Effects, your Dragon Ages—seems to have the exact same physical tics? There's 'rubbing forehead worriedly,' there's 'rubbing hands together while glancing nervously side to side,' and—most famously—there's 'ambling directionlessly off to the side of the screen for a bit before returning to the exact spot they started speaking from'.

It's called the "BioWare turn" and...