The birth of the destined "Warrior of Liberation" failed to stir up any waves across these seas.
Dragon was a notorious "heinous" criminal known to the Marine higher-ups. Yet when Sengoku and the others learned that Dragon had a child, and that Garp had brought the child back to Marine Headquarters, they showed no major reaction.
Perhaps Garp held enough authority within the Marines that the higher-ups did not dare act rashly. Or perhaps Sengoku's generation of Marine leaders had close ties with Garp and did not wish for this matter to become a wound that ruptured Garp's relationship with the Marines.
In short, all the Marine higher-ups tacitly chose to ignore Luffy's existence.
When Garp brought the newborn Luffy back to Marine Headquarters, the Gorosei—the World Government's highest authority—also learned of the matter.
Yet after hearing the news, the Gorosei acted as though they had never heard it at all. They had no intention of doing anything. They had selectively ignored Luffy's existence.
From another perspective, it was easy enough to understand.
To the Gorosei, whether the newborn Luffy lived or died was utterly irrelevant.
All they needed to know was that Dragon stood against the World Government, while Garp still held an important post in the Marines.
Ever since Roger's death and Dragon's departure from the Marines, Garp had indeed become far more lax over the years. But even so, Garp remained indispensable to both the Marines and the World Government.
Leaving aside Garp's prestige and the deterrent effect he had on pirates, his years of purging pirates in the East Blue and preserving its peace alone were an indelible contribution to the World Government.
It could be said that the East Blue was now known as the weakest pirate "breeding ground" among the Four Blues largely because