Disney says once again that it is in the process of preparing for launch a Disney Kids TV streaming box, purely for family-friendly entertainment. Students of history have a habit of saying that history repeats itself, but in Disney’s case this amounts to it making the same mistakes over and over again. In 2003 Disney came out with its Moviebeam idea, whereby it used spare broadcasting capacity to broadcast movies one bit at a time, to boxes in US homes – charging a few dollars a month, for 100 movies – all from Disney. The same year it launched a similar service on a popular gaming engine for games which used Disney characters. And later that same year Buena Vista…