When going through a portal it says "Entering the Nether".
So, it's not Hell.
It's the Nether. No matter what people try calling it.
If I call a cat a dog, that cat doesn't become a dog.
Unless you believed it was a dog, in which case it most certainly would be a dog.
Sure, I like rivers of blood. I've been playing minecraft sense we only had a few blocks... I never thought we would be having arguments over whether features are child friendly or not lol. You'll be putting minecraft in the same boat as Runescape, they claimed the game was for those of thirteen years of age or above, yet they directed the features and limitations towards a group of declining age, making those who played more and more annoyed. They nerfed everything so much and implemented so much censorship that casual conversation became difficult.
It's said that a child witnesses thousands of deaths before he becomes 18, largely based on the fact that such images have become widely available and excepted. To be honest, I don't see a problem with that. The idea that people are made into monsters by being exposed simulated violence is ridiculous, if you're going to go on a murderous rampage there was something wrong with you in the first place. If minecraft has rivers of blood, or- well, sense we're playing minecraft, semi-transparent water in shades of red, what affect does it have on a child? Is it too scary or something? I was freaked out when the ground started yelling at me, replicating what I can only imagine is morphed cries of damned souls. Hurr hurr- I didn't cry about it, I wouldn't have been very bothered as a child either. If I was scared I would have simply avoided the area- it does take effort to get there, and you're certainly not forced to stay.
Anyway, minecraft is not ABC family or w/e. It's not an educational game, and if you want your child to be completely safe I strongly recommended you invest in these instead. If your so anal and worried that your child is going to be turned into a murderer or traumatized by the minecraft blocks then don't let them play it, you don't try and sue cartoon network for showing Family Guy a bit too early at night.