There's a lot of "Apple business model" answers in other threads, but I think that's at best a partial answer if it's an answer at all. To the extent that you c

There's a lot of "Apple business model" answers in other threads, but I think that's at best a partial answer if it's an answer at all. To the extent that you can draw a line to "move the revenue numbers by tens of billions of dollars per quarter" from "choose whether to support this open standard API or create our own", which I think is a large extent, I think that line goes through performance. Apple now sell 120fps as a marketing feature. OpenGL ES was holding back performance of the graphics stack by not really being what people wanted to do with the GPUs and also not really what the GPUs were good at. Apple design the GPUs and the image/video frameworks, they know what APIs they can provide to get high-performance access to the types of task they need to be able to do.