>garp sent his son to go help out on the WG's genocide festival when he was only 17 and still a trainee
what the fuck is his problem

>Dragon immediately realized how fucked things are during God Valley and left to start the Revolutionaries
>Aokiji became disillusioned in the system and decided that siding with the son of Rocks D Xebec was the lesser of two evils
>Ace and Luffy both became pirates no matter how many times Garp tried giving them brain damage so bad that they'd become Marines instead
Two is a coincidence.
Three is a sign.
Four is a pattern.
The only reason he's accepted Koby as his successor is because Koby wants to "reform" the WG, which Dragon already found impossible. It's corrupt all the way down to the roots.