"Course, they never come out and actually say those words ... but the reader sees that action.
Madmen cannot be stopped, arrested, cajoled, embarrassed, negotiated with nor bargained ... they must be killed.
The world will never (again?) be right until someone nation goes in, pulls triggers, makes a mess, breaks things and obliterates the insane from the planet.
God commanded the Hebrews to go in and kill the inhabitants of the lasnd He gave to them.