Garp disobeys orders all the time. Dragon signed up to serve and protect, Garp understands this because it's the same for him.
Ace signed up to be a criminal hunted by Marines. Not the same thing at all. Ace has to live with his choice. Dragon doesn't, he never chose to sign up to slaughter civilians.
Ace signed up to be a criminal hunted by Marines. Not the same thing at all. Ace has to live with his choice. Dragon doesn't, he never chose to sign up to slaughter civilians.










