Each time I am told I should unreservedly respect decisions made by authorities in secret, I remember this song by Chris Wood. I always cry when I play it.
In case you don’t recognise the story, it’s about Jean Charles de Menezes and his killing by British police whose certainty he was an Islamic terrorist overcame their humanity.
Folk music is still our folk memory. Bad laws limiting criticism of official business, restricting mention of trademark terms or preventing adaptation of popular culture will kill it and make us forget.