How exactly are you going to sandbox your drivers? Run them in user-mode, perhaps? But then you've constructed a microkernel, and no-one uses your system because it's slow.
Anyway, what I said is that sandboxing isn't a substitute for open-sourcing. They are complements, not substitutes.
Anyway, what I said is that sandboxing isn't a substitute for open-sourcing. They are complements, not substitutes.