He’s technically correct. It’s a memory limitation, and if you’re playing on PS5, you’re limited by the cross-gen compatibility with PS4.
The Steam version is capable of some of the largest cave gens, compared to the console version. It’s not something you’d notice, as the caves can still get large on console.
The EDD can differ due to this because removing something from a pool of resources will shuffle the numbers. It doesn’t necessarily do so, but it’s likely. That’s also why you may have experienced a bigger EDD on PlayStation, but that doesn’t mean the console version is more capable, just that it rolled bigger this week.
Not sure what you mean about the client generating the map. The host does that and shares it with the clients, whether it’s pc or console.