>>46910018There's the many punks/motorcyclists throughout the games, as well as classes like the Scientist who can be found inside evil team hideouts, but this is by no means a comprehensive list. Magical animals wouldn't magically do away with crime, they'd just provide more magical means of commiting it.
Imagine what a Rotom or a Porygon might do in the hands of a competent hacker, or a Darmanitan in the hands of someone who feels like they deserve a little more than the usual prize money they get from winning fights. Ghost types for thiefs to phase through walls, Psychics to crush minds with incredible ease with little to no means of detection...