Laugh away but laughing at others opinions because you don't see it that way does not make you right or wrong...it just means you have a different opinion. And in the end, one opinion is no more right or wrong or important than the next when we are discussing something totally subjective and furthermore, it's a bit rude.
You could ask yourself, "why did they add Oblivion style leveling" and the answer would be to make it better. But did it?
And what purpose would adding it be? And what makes someone want to see heads flying and blood pouring? I've seen a lot of injuries in my life and a lot of blood but I have rarely seen bleeding and dismemberment like in Mortal Kombat in real life. That is in 28 years if nursing and a lifetime of hunting. Nowhere close as much and I've see a lot. Animals and humans don't have that much blood to lose in the first place.
You said in other games you're fine with it... look at skyrim, looks kinda scandinavian right? and look at scandinavian countries's blood covered decapitation filled history. Skyrim has the atmosphere for decapitations, brutality and massive injuries. but it does not have the atmosphere for too much of it. so an occasional 3% chance to sever limbs would be nice, people who have lost their limbs in battle would be nice. wounds would totally add to the realism, but like you said, too much blood isn't reallistic, blood leaks, it does not spray.
TES series aren't exactly the blood and gore splatterfest type.... unfortunately.. but aye i agree with the op, i would like to see at least wounds, and maybe decapitations.