Last week’s open letter in support of Sally Rooney , calling for the Terrorism Act to be amended to protect free expression, generated an extraordinary response. Not all of it has been positive, of course. While many readers wrote in to endorse the letter, others argued – reasonably and often forcefully – that it was Rooney who was to blame for the situation, not the government. She has chosen, of her own volition, to self-censor by going out of her way to breach a law that, irrespective of its merits, should be followed because it is the result of a democratic process. One reader, Peter O’Halloran, from Cavan, Ireland, was among many who got in touch to make this point: “While taking a moral stance is, of course, to be admired, surely the law is the law?”

This was the argument of the Home Secretary, Shabana Mahmood, in the House of Commons on 26 October when the independent MP Shockat Adam read out the opening lines of our letter.…