Demo only “open World Demo Collection” in Marceplace introduces disorder in the structure of the Unreal Engine, the tab Learn? And if it is a new form of active advertising, it’s good. According to the law (World Consumer Rights Day on March 15), all offer the Marketplace should have such a form before being purchased - eliminates the complaints procedure.
Probably you were confused with title of this asset.
Project from GDC is called “Open world demo”, this set of assets is collection of assets from “Open World Demo” and not a demo version of “Open World Project”