User blog comment:Blackendedsoul/I hate Luffy - I worship Akainu/@comment-4295416-20120125172616/@comment-3425840-20120126123324

That and also being heartless is not necessarily a bad thing when your job is that of a law enforcer, being merciful often causes future problems, (just look at Nico Robin who is a big threat and alive only because of Aokiji's mercy).