+1, thanks for this anecdote. I'm thinking of coding the world's wittiest oldschool text-only adventure game for our son to make him more comfortable with keyboard input and the command line.
It'll probably also be good for developing creative use of written language (he likes paper books) -- hopes I who learned English and touch typing via Al Lowe's "Leisure Suit Larry" series.
That aside, I'm fine with him playing Minecraft, though. It's a nice fit between uber-realistic contemporary games and 80s computation; also, the Minecraft kids need to use their brain while playing, ha.
Maybe I'm wrong, but it feels like "lousy", rasterized graphics may be better for the child's imagination. It's more close to reading a book where you still have to "draw" the world and characters in your head. But, also, I'm old, and fine with that.
Can't pull the kids out of 21th century, but it makes a lot of sense to introduce them to the most valuable accomplishments of 1980s or 1990s. It's a bit like showing them the simplicity of manual carpentry, chisels and hand planes in the age of electrical tools.