I have to admit, I watched a video of someone playing Minecraft and my initial reaction was:
"Say what? How is this even playable?"
I think I've finally been indoctrinated into the "Holy Order of the Curve", haha. Or I've been spoiled with flashy graphics (more likely).
To each their own. I'm probably missing out on something hugely addictive, but I just... well... I don't know, it looks like something I was programming on my Commodore 64 back in the early '90's. I guess that's the point, though.