Not to mention in PvP you guys rolling droids would spend a vast majority of time perma-CCed, with occasional resolve breaks, by SWs,JKs,IAs and Smugglers. BW would have to fundamentally redesign the droid CC or rework all abilities to function one way in PvP and another in PvE;seems like a lot of work for one class that won't even work with the romance sidestory for companions(which as unimportant as it may be, is something BW prides itself on and is known for).
Surely they could give PC droids some sort of passive ability (call it Shielded Circuits?) which would resist...whatever affects you're talking about (I don't do PvP and my highest level character is lvl 23, so I'm not 100% certain here.)
I suppose game-play wise, a battle droid would work very much like a Trooper (ranged weapons, heavy armour, no Force), and putting romance into the story could only result in silliness, but I'd still be amused. Might even resub after the game goes f2p.