A news article about virtual reality headsets observed, “For any hardware platform, it is critical to attract outside developers and build a virtuous cycle in which popular software titles drive hardware sales, which in turn brings in more software developers.” The article referred to two types of software: games, such as Final Fantasy, that were already available for video game consoles, and software intended only for use with virtual reality headsets. As both these types of software become available, are they likely to make virtual reality headsets closer or less close substitutes for video game consoles? Briefly explain.