As the manga moves closer to ZKK the more people who doesnt want it to happen get more desperate and denies any and all information related to it.
It's crazy some believe Zoro won't gain consciousness and return to the battlefield. How that is an impossible feat. Yet, there was no complaints when Luffy, Law and Kid were all knocked unconscious, were out of energy and able to return to the battlefield with more energy.
Luffy was knocked unconscious twice, knocked off the island and into the water, and ran out of energy. He was then rescued by some Law subordinates who somehow were able to get to the island in the middle of the air even though they can't fly. Luffy then just happened to meet a character who had all the food he needed for him to eat to recover his energy.
Kid and Law couldn't beat Big Mom but just happen to possess awakening that drain their energy dangerously fast. They were knocked unconscious but somehow obtained the energy to regain consciousness and the energy to continue using awakening. They was giving a win even though they needed Kaido bombs to finish off Big Mom.
If Oda is willing to do all of that BS then Zoro regaining consciousness is very believable. Especially since Marco is still there who's power can at least heal people to a certain level.
Oda has hinted at ZKK since Punk Hazard and there's been nothing to debunk it. The truth is there be more information to support it. Like Zoro connection to Ryuma.
Unfortunately, Zoro receives so much hate it doesn't matter how information Oda shows to support ZKK some deny it. They don't even want to wonder why Oda gave Zoro a medicine that would cause him to receive double the damage/pain as a side effect and have Zoro encounter Death.
If Oda only wanted Zoro to beat King and then be done fighting for the rest of the manga he didn't need to do all of that and waste scenes on Zoro. Of course, doing that means they have to look at the possible reasons and outcome to that plot and that scares them.