RMS is definitely not okay with closed-source pacemakers. There's no exception there for the developers. In fact, that's a case (because of hardware) that using

RMS is definitely not okay with closed-source pacemakers. There's no exception there for the developers. In fact, that's a case (because of hardware) that using free software wouldn't even destroy the current business model. Richard is okay with users of pacemakers making exception in their own avoidance of non-free software. But he's as critical as ever about the software developers making the thing non-free.