Of course someone like you, who still denies Hinata's Rikudo Chakra giving her power ups when The Last and Kishimoto himself say otherwise, would be so dense as to off this off as "proving nothing". Let me break it down for you.
We see when Obito becomes the Ten Tails Jinchuriki, The transformation is seen twice, one normally, and one through Hinata’s eyes.
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Notice how in Hinata’s vision, there are far more panels used to display Obito sealing the Juubi? This indicates that Hinata too was using the Byakugan’s ability to keep track of high-speed movement, allowing her to see the Juubi being sealed away in detail.
And we also see that she was able to keep track of Obito absorbing the Juubi, which
Sakura FAILED to do. And before you say it was because they were far away, this is not the case, as we see them VERY close the Wood Gates Hashirama was using to hold in the Juubi. Not to mention the entire alliance was in the 4 Sun Seal with the Juubi. Heck, the page below even shows Sakura being among the CLOSEST to the Juubi, as she is shown standing on Katsuyu along with Sai, meaning it has nothing to do with distance or obscured vision, but simply Hinata's eyes being superior to Sakura's.
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From this, it’s evident that Hinata’s slow-mo vision is vastly superior in keeping track of movement than Sakura’s own eyes, as Hinata saw the near-instant sealing of the Juubi in detail while Sakura failed to do so. Even Hiashi saw it with his Byakugan just like Hinata, while everyone else was left clueless due to how fast it happened.
Byakugan surpasses Sakura’s eyes, Sakura herself being able to react to Kaguya’s arm from a distance. That shows how powerful the Byakugan’s ability of slow motion vision/enhanced reflexes is.