That crime one is interesting and not as straightforward as portrayed (I work in policing).
Last weekend we were walking by the river with our children when we came across a man masterbating, full view, busy and popular stretch. I spent ages on hold trying to report it, before eventually abandoning the call. Dh approached the man and told him to fuck off or else, so he bolted and will likely commit some other sexual offence as a result.
Crime is not down 54%. Reports of crime are down. This is because people are not reporting it because 1. They can't get through and 2. They don't bother because they know the police are too busy to turn up.
It also doesn't take into account the number of people with serious mental health issues who are in police cells, rather than appropriate facilities, because they've been let down by NHS mental health services due to Tory austerity.