I don't think it's realistic to assume that 30% of all Fortnite revenues on xbox/playstation is still going to the platform holders. Valve already offers a 20%

I don't think it's realistic to assume that 30% of all Fortnite revenues on xbox/playstation is still going to the platform holders. Valve already offers a 20% cut to large-volume titles on Steam, so it's plausible that Epic would have a custom deal with the console vendors.