I'm firmly against the idea so am sorry to say I start thinking it's probably not worth it ;-;
Since I really digged a lot into the matter and seriously doubt it would not happen after all this time of unrelenting researching.
I’ll try to give you some bullet points.
Morj doesn’t believe Kaido will die, at least not in the grand fashion he wants to
Straw hats have a 0 body count when it comes to main arc villains
He says Oda prefers villains to have their dreams crushed rather than have them die, that’s how Luffy crushes them in the end and doubles down on this since Kaido’s dream is to die
Zoro got his ryuma call back killing the dragon in punk hazard
Zoro killing Kaido after Luffy already defeated him is lame and goes against Zoro’s character, one of the most honorable fighters in the series
Again this isn’t everything but I understand if you’re not interested. I just wish people who would call this video out for being bullshit would at least watch it first and then challenge the points