In Ch 991, pg 4, the official translation about Ulti pointing out Luffy to Pay-Pay makes it sound like they have no clue who 'the guy with the strawhat' could be... Is that accurate to the original too?! Do Kaido's forces in Wano also not get any news from the outside world that they have no clue who Strawhat Luffy is at all?! Like I would understand a delay in news, so they have no clue about the 5th Emperor stuff, but not knowing Luffy at all 2 years after Summit War seems weird right?
i wondered about that too, while i was reading. page one just calls him 麦わらの男/mugiwara no otoko (’the man in/with the straw hat’) and comments on how he seems to be in charge of the pirates, while ulti just calls him さっきのやつ/sakki no yatsu (basically ‘that guy from just now’). so it kinda does seem like they don’t know who he is.
although, given page one and ulti don’t even have one brain cell between them most of the time and they seem to have a pretty good setup in wano with no real reason to care about the outside world, my guess would be it’s less a matter of them having no access to the news, necessarily, and more one of them just not paying attention.