Gaban's existence was to guide Luffy and the others, just like Rayleigh and Crocus, waiting for Luffy to appear.
Rogge was not the person they were waiting for. In their eyes, Rogge had suddenly appeared and meddled in their affairs, making him nothing more than an outsider.
However, they did not dare look down on Rogge. In terms of strength, Rogge had already reached the legendary level. His subordinates were powerful, and he was still young, so his potential was immense.
The problem with the Roger Pirates was that the timing had been wrong, just like with Rayleigh's group. They had been too anxious because Roger did not have much time left. They had not waited for this, and after Roger and Oden died one after another, they could only leave it to Luffy.
Of course, Rogge understood Roger. If he did not have enough time, he would also hope someone could take his place and complete what he had started, while hoping his subordinates would help him.
But he could not understand someone like Oden. Back then, Oden had been able to heavily injure Kaido, which clearly showed that Kaido's strength at the time was far inferior to what it was now. At the very least, he had been weaker than Roger and Whitebeard.
Even with Orochi around, Oden should not have died. Yet he had chosen death, waiting for those who came after him to help Wano Country open its borders.
Rogge thought it was ridiculous. If he could do something himself, why hand it over to someone else? As far as Rogge was concerned, Oden was simply a useless coward.
He had acted only for his own selfish desires, destroying Wano Country and leaving countless families there broken.
After witnessing Lodestar Island, Rogge's adventure also came to