> Also, the fact that it's not rewritable means that...
> 1. Security bugs[2] will never be fixed[3], rendering the hardware unsafe to use over time.
But on the other hand: security bugs will never be introduced post-manufacturing. Additional DRM cannot be forced onto you, after you bought the product. Or: DRM bugs that allow you to fully use your hardware cannot later be patched by the vendor.
Without the source there could be all sorts of timebombs or tripwires in the firmware. For instance a device refusing to operate unless another device was present or changing behavior after a certain date.
> 1. Security bugs[2] will never be fixed[3], rendering the hardware unsafe to use over time.
But on the other hand: security bugs will never be introduced post-manufacturing. Additional DRM cannot be forced onto you, after you bought the product. Or: DRM bugs that allow you to fully use your hardware cannot later be patched by the vendor.