Whether we like it or not, we have people like Anjem Choudary living in this country and we won't deal with the consequences by pretending they don't exist. Hearing first hand his type of twisted logic & revolting views provides us with an important reminder of the dangers we face.
Freedom of speech is crucial to what this country stands for and in the long run is the best way of exposing such people for what they are. I applaud the BBC for upholding it.