Yeah under 3rd edition with the 3rd edition codex the drones had to be removed first. Majority toughness really screwed them up tho. But it guarenteed that the first casualties would be the drones.Hmm, you are correct. Did the old drones used to do this then because I have got it stuck in my mind this way for some reason.....
Of course, I don't use drones with my suits and never have so I am not fully enlightened with their rules lol.