There is also the market for tv top boxes and a lot more embedded applications for stuff like e.g. remote controllers, IoT and more. Then on top of that you hav

There is also the market for tv top boxes and a lot more embedded applications for stuff like e.g. remote controllers, IoT and more. Then on top of that you have stuff like the kindle. Think how many copies these market segments have sold. Arm takes a couple cents per copy. Now keep in mind that these are rather small and simple cpus. Some alwinner chips sell for less than 4$ a piece and they sell millions per quarter. That's enough revenue saved for them to cover the moving to RISC-V costs.