On Friday, hundreds of masked members of a group calling itself Patriot Platform blockaded the port of Dover to 'stop the boats.' No migrant dinghies arrived that day, so the only vessels they actually stopped were ferries full of British holidaymakers. Here's how the Daily Mail — the paper that has serialized the small-boats emergency for years — headlined it: 'Anger as balaclava-clad mob bring Dover to a halt in 'stop the boats' protest with four-mile tailbacks leaving town gridlocked as hundreds miss ferries.' * Now inventory the harms in that headline, because the Mail always shows you its scales. A halt. Four-mile tailbacks. Gridlock. Hundreds missing ferries. Every single unit of outrage is traffic. A masked, far-right blockade of a national port, and the paper's instinctive measure of the damage is the same one it would use for roadworks on the M20. * Compare the Guardian's furniture on the same story: 'Black-clad Dover vigilantes will return if police do not act, say campaigners.' Vigilantes — a word about who they are and what they're doing to a town, not what they're doing to the timetable. You don't have to prefer it. But notice the two papers are covering two different harms: one sees intimidation, the other sees congestion. * Here's where it gets properly interesting. On the very same day, in the very same Mail news feed, sits this: 'The French mother who said 'non' to migrants: Woman living on the frontline of Europe's asylum crisis releases footage of young men in life jackets rushing past her property.' One civilian taking a stand against the boats: folk heroine, 'frontline,' her footage lovingly embedded. Hundreds of civilians taking a stand against the boats: 'mob.' The difference between heroine and mob, on today's evidence, is whether any British people missed a ferry. * The Mail's follow-up finds its balance too: 'Politicians condemn Dover anti-migrant blockade as police criticised over response — while protesters warn 'it's only the beginning.'' The politicians condemn, the police get criticised, and the balaclavas get the last word — 'warn,' the verb you give a prophet. That's a remarkably generous closing slot for a group the headline called a mob the day before. * We're not saying the Mail built Patriot Platform. We're saying the Mail has run 'stop the boats' as a rolling national emergency for years — 140 migrants 'scramble' onto a dinghy in this same feed, today — and when readers in balaclavas finally took the front page literally, the paper's complaint was that they did it somewhere inconvenient. Condemning the mob while republishing the mood is not a correction. It's inventory management. * A paper can spend years telling you the boats are an invasion, or it can be shocked when men in masks show up at the port to repel one. Doing both in the same news cycle takes a special kind of editorial suspension — the kind you only notice in the tailbacks.