Provocative title, but probably overstated. SceneKit uses OpenGL directly with shaders and deferred rendering. Metal seems likely to become more mainstream as e

Provocative title, but probably overstated. SceneKit uses OpenGL directly with shaders and deferred rendering. Metal seems likely to become more mainstream as engine developers adopt the tech, but there are going to be lots of developers who are overwhelmed with writing glsl shaders, let alone significantly altering the render pipeline.