&gt;<i>Can you give examples of people who were arrested for no -criminal behaviour? I&#x27;d thought they were just arresting people who&#x27;d been pictures commuting crimes?</i><p>In my country? Tons. And more people who have been arrested while being non-criminal in a demonstration, and then falsely accused of criminal behavior (and with stuff planted on them).<p>Sometimes that gets dispelled in court, othertimes there is even third-party footage showing police planting stuff on them.<p>And then there are police units in disguise coming out of police vans, merging with peaceful protesters, and inciting violence and damages to break a demonstration.<p>&gt;<i>why is being arrested such a big deal?</i><p>Depends on the country. In the UK, but several others too (including mine) you can be held without trial for months (up to a year or so actually), you can get beaten up in the police department, etc.