The Doctor fights down the highly affronted lecture that sprang to mind at the thought of regrding living souls as "cargo" that can end up so callously "misdirected". Fights ... and loses.

"You shift uncounted numbers of sentiences about like they were so many ... apples for the market?" he demands in a tone only an indignant Liverpudlian can achieve. "And expect us to believe it's nothing more than a misfiled business transaction? Those are minds, Balthazar, not boxes of freight, and now they're in vessels, they're not so easily shifted about!"