Stick to the lore
If you are going to have Grievous kill his own droids because it was cannon, then keep this too.
Forum Discussion
If lore mattered that much droids wouldn't get plagued by NS.
If anything, they might add to a droid leader something along the lines "droids are immune to fear, plague, etc" in the future, but it's highly unlikely to give DR an ability worded "...and inflict fear on enemies, except droids".
If anything, they might add to a droid leader something along the lines "droids are immune to fear, plague, etc" in the future, but it's highly unlikely to give DR an ability worded "...and inflict fear on enemies, except droids".
