There could be an element of truth behind recent rumors that the Britbox streaming joint venture is experiencing some pre-launch trouble in paradise – with local telco BT reportedly attracted by the smell of blood to assist the BBC and ITV before things get messy on home soil. Of course, Britbox is already available in the US and Canada, while its UK debut is expected in the coming months. It wouldn’t be the worst idea in the world, with BT facing the prospect of a Comcast-backed Sky to compete with in video, broadband and mobile, while offering little in the way of OTT video itself other than a pretty basic TV Everywhere offering – buoyed only by the operator’s strong…