OGRE and other open sores 3D graphics engines

Why do they suck?

>>5
But OGRE -is- a piece of shite.
See XNA (XNA's Not Acronymed) to see what a real game engine is supposed to be like.

3D graphics and game engines have been one of the most popular things that almost every aspiring programmer wanted to make for years now


so why is it that after all these years nobody has done it right