Might Duy might have been all about "youth," but he was no complete fool.
After discovering the true power and limitations of the Eight Gates Technique, he had plenty of concerns. It wasn't just a personal fear of being treated as a secret weapon and losing his freedom—he was more worried that someone desperate for quick results might insist on forcing the Eight Gates Technique onto others.
Wouldn't telling Konoha High Command about it do more harm than good?
After all, the Second had halted his research not only because he realized how difficult it was to get started, but also because of the—
Side effects of the Eight Gates Technique at its later stages.
As for why he was telling Akaseki now—
His reasoning was much the same as Akaseki and Ranwu's when they told Tsunade about the "suspected Madara Uchiha" after the Chunin Ninja Exams!
Duy felt this needed to remain a secret. But as a mere Genin, he worried that when this "secret" was truly needed, he might never hear about it, causing Konoha to suffer devastating losses it could have avoided. That was why he had sought out someone of higher standing whom he could trust and shared the secret with him.
To Duy, Akaseki already met those conditions. The renowned "Konoha's Akaseki" was the highest-ranking, strongest ninja he could reach.
If not for Akaseki, Duy would have tried approaching "Konoha's White Fang."
As the Jonin Commander, Hatake Sakumo naturally had little contact with a Genin. But he had always been approachable, and Duy thought he might be willing to hear him out.
Still, having "Konoha's Akaseki" available now was even better—
After all, Akaseki knew him better, and he understood Akaseki better too.
Might Duy hadn't acted on a whim today. He had been considering