So say the stripped down / client editor is added to the game directory. When launching the client it forces you to login with your epic account (and thus accepting the EULA). This way there is no need for getting the Epic game launcher. That would be fine right?
Next thing I think is reasonable like suggested to have some BP classes like gamemode available for edit. I guess the main idea is that you don’t want the client to have the game as if its open sourced, where they can just copy paste the whole project. So perhaps a way for the developer to grey out or hide certain content from the client so they can’t steal everything.