I used to play minecraft a lot... forts... cities... yea I spent waaay to much time playing it. Kinda got over it before 1.0 came out though, which was a bit of a fail. (although I occasionally play on vanilla/tekkit/FTB servers)
Setting up a local server and playing with bros is fun too.
It's not like he's stolen anything from anywhere... oh wait, he has.
Everyone uses things from everywhere when it comes to fantasy. There is no 'one' set root that everyone else is copying due to the very nature of how fantasy came to be.
Ahh it helps that I have a semi-carpeted hallway and a closed door behind me... although that doesn't stop Slender/NastyMonsters/SerialKillers/Ninjas.... etc. from killin' me.
When you guys implied it was more than mildly disturbing and started rinsing your eyes with bleach (AKA Joeker), I though it'd be really bad... Meh. Some messed up people with more wrinkles and a general 'thefuckamIdoinghere' look.