Yup ... i found out this by accident, when i started combat, and i wanted to attack one fisherman ... (sadly, since i wanted to kill them ) my mouse sliped by a few milimeters and i killed mindflayer.
I still dont understand why cant we change Race for our hirelings. Lets us play Githyanki as racist as they trully are!
I mean, he wasn't exactly a big opponent to begin with. You can even go at dialogue range, let the cutscene start and STILL one shot him with your first attack freeing the fishermen without a single collateral death.
Party control in Baldur's Gate 3 is a complete mess that begs to be addressed. SAY NO TO THE TOILET CHAIN
) my mouse sliped by a few milimeters and i killed mindflayer. 
