Yes because he paralysed him for a moment. That's not negating. Negating hax is like Law lifting magical abilities like that of DocQ or during the Rooftop where he couldn't teleport Big mom and Kaido.
Also, why is everyone ignoring how angry Shanks was ?
That wasn't your ordinary Haki blast like he used against the WB pirates.
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Yes and ?
It's a known fact that Haki prevents these things from happening