It's apt to children, to learn how to program.
But if you want to learn to program you can use it too.
You can see the creations of people and people can see yours.
Pros: it's very intuitive and easy
Cons: it's not profesional
if they get permission from 4j (the studio who helped put minecraft on consoles), they could put the console edition tutorial worlds in the game, as seeds
and i mean all of them (if not, maybe a few highlights, like TU1, TU31, and TU69)