There have been many changes in our censorship laws over the years that are to be welcomed. Allowing directors’ greater freedom, whether with sexual imagery and language, has hardly been shown to have damaged society, despite some of the fierce battles fought at the time and which rumble on today. Out of this liberalism has emerged a more creative environment and a more realistic depiction of modern life. What is challenging the boundaries now is the scale and reach of pornography on the internet. Just by the sheer ease with which it can be accessed, it is beginning to enter the cultural mainstream and impinge on the lives of children. This is clearly a development that should be abhorred and stopped as far as possible, but in the end it may simply come down to parents being evermore vigilant.

Whether this has influenced the attitudes of censors remains unclear. Asked about the film SS Experiment Camp, which is on sale in the high street alongide U classified movies, the British Board of Film Classification said “there is nothing in this film that anybody should have any concerns about”. The film depicts women being raped, electrocuted, hung upside down, having their ovaries cut out and burnt alive in incineration chambers by guards dressed in Nazi uniforms. That does sound “concerning”.

While censorship should have to make its case, there must be a sensitivity towards survivors of the death camps and their relatives. Depicting the Holocaust as a Jewish invention rightly causes vilification. Why should depicting concentration camps as movie backdrops for sexual violence suddenly be acceptable? This film was banned 20 years ago and there seems no strong argument to have it lifted. Gordon Brown will meet a delegation of MPs to discuss toughening the laws on video nasties amid worries about the influence they have on young people. These arguments may be inconclusive but Mr Brown would be wise to restrict the market in violent pornography.