If Blackbeard Reveals the truth about what really happened at God Valley and the Hunting Competition. How would the World React? And how would the Marines and the World Government respond?
The world still the same unless Blackbeard had strong evidence on it.
Especially lot of people in the world didn't even trust Vegapunk words.
And then we got Blackbeard, who is a pirate notoriously brutal and does have slaves from multiple races.
So why would people believe him?
Marines and WG would respond as usual.
Which is trying to capture him and failed multiple times.
Dragon literally knew about the thing, got labeled as Most Wanted Man, never tell the world btw since Revos is still preparing for final war and marines WG failed to capture him multiple times.