Today, we’re continuing our commitment to give players more choice and value by introducing Xbox Game Pass Core, launching on September 14. Game Pass Core is the evolution of Xbox Live Gold. Game Pass Core will give players access to our advanced multiplayer network, a select collection of over 25 games to play with friends […]
Yeah, for $1 (between 9.99 and 10.99) this is just a price decoy / asymmetric dominance exercise.
Wiki
Core will go away (or at least deprioritized from a marketing perspective) once they’ve successfully transitioned everyone off GfG.