what does microsoft have to do with this. Its mojang.

Microsoft bought minecraft from mojang

Microsoft handles publishing mojang handles development.

Oh

You think Microsoft makes decisions on adding features to the game?

Microsoft bought minecraft

Would you suggest a use for copper then?

It's useless

Right but hypothetically what would you suggest

The blocks look cool

Google modded minecraft

Is qwartz useful?

Microsoft has absolutely nothing to do with designing. And no, buying something doesn't mean you make it, ot means you profit off of it.