"Officials in the Inland Revenue had begun to notice more and more British films had actually amassed takings of less than £100. The tax men began to suspect something was up. One possibility was that all the films were so bad that no one would release them. In fact the reality was that for all these films it didn't matter whether they were seen in a cinema or not. Their real function was as a tax dodge for rich people." Adam Curtis on the story of George Walker and the rise of 'geezer capitalism'.