'Educational' refers to the process, not the object. Although, come to think of it, some of my teachers could easily have been replaced by a cheeseburger.
Actors will never be replaced. The thought that somehow a computer version of a character is going to be something people prefer to look at is a ludicrous idea.
When designers replaced the command line interface with the graphical user interface, billions of people who are not programmers could make use of computer technology.
From antiquity, Latin died but is still studied in seminaries and elite universities. So did Sanskrit in Asia. iI was replaced by Pali, but even Pali died, too. Linguists say the only ancient language which was resuscitated from the grave was Hebrew of Israel.
