Or even “Apple doesn’t like open standards that are weak”. OpenGL was just no longer fit for purpose. They were competing against DirectX, needed to do ML accel

Or even “Apple doesn’t like open standards that are weak”. OpenGL was just no longer fit for purpose. They were competing against DirectX, needed to do ML acceleration, and at the time Vulcan didn’t exist. They had to do something, and especially given their chip strategy that must have been in full swing at the same time, Metal must have been a no brainier.