I'm 95% sure that if ZKK happens, Zoro fans are going to go on a mass trolling spree on this site and probably resurface every thread and post by people who didn't think ZKK would happen just to laugh at them.
This is something these people have done in the past and I have no reason to think they won't do it again.
Personally, I think ZKK won't happen. That Luffy has had too much build up to defeat kaido and that Zoro doing it just wouldn't make sense, especially when Oda took Zoro out of the fight so he could take on king. But at the same time, I can enjoy good zoro chapters, and I'm sure if ZKK did happen, the chapter would at the very least have pretty good art.
But its hard to enjoy these things when some people on this site feel the need to be petty, childish, assholes on all matters surrounding this character.
Overall ZKK is a thing that's been highly contested around the fandom. A lot of people think it will happen, a lot of people don't think it will happen. If you really are a zoro fan, then don't go out of your way to ruin one of zoro's best moments for the people who didn't expect it. Because the thing is, that's who Oda writes these moments for. Part of the reason Zoro gets all these badass moments is because Oda wants to go out of his way to surprise casual readers, who might not always be diehard zoro fans, with how strong zoro is.