That is totally DW's MO thoughRednog said:Oh I agree, after dragging myself through the wiki, and thinking about the general history of Doctor Who, I'm chalking it up to a failure of writing, the thing has been handed from writer to writer over time (especially with different writers of books) and they don't seem to fact check things 100% of the time or they just make shit up and retcon it in.
10 has often said that he "stole a TARDIS" and in episodes I've seen the Time Lords call them TARDISes. From my memory I think it's been established that they were named TARDISes before that event with Susan. Who knows?! This could be just the Doctor referring to them as Susan named them >.<
One of my pet peeves is the maintenance of continuity in shows => DW, as brilliant as it is, always has me tearing my hair out at things like this.