Toy franchise titan Lego has launched a direct to consumer OTT video service – but believe us when we say this is anything but child’s play. Brick by brick (sorry), Lego has built a phenomenal business including a movie that grossed $469.1 million worldwide, along with a spate of successful animated shows and computer games – so it’s about time the company tried to disrupt the on-demand streaming space. The Lego Channel has launched this week as a free ad-supported service featuring around 1,000 titles – surely not enough content to hold its own against competing services and generate enough ad impressions to break even, let alone make profit? Even Disney, one of the world’s largest studios, has acquired rights…