The BBC's White Season makes very interesting and controversial material for the BBC which is constantly attacked as having a liberal-left wing bias. Sunny is angry, rightly so, that extremists not only get a free pass to say what they want, but are not vigorously challenged by the BBC interviewers. Just try typing Anjem Choudry and Newsnight into YouTube.
In an explanation for the picture, HP Sauce is often used as a nickname for Harry's Place. Angry commenter's often resort to calling the HP posters as racist for their stances on such things as Sharia law - which I add is pretty ridiculous considering their staunch opposition to racism.
You can watch the documentary Rivers of Blood here for the next 7 days.