"The group is now collaborating with molecular geneticists to try and
tease out which genetic changes have made their fruitflies so smart."
I don't see that intelligence and being easily trainable is the same thing at all. As to the drawbacks of being intelligent, my son explained it all to me when he was six. He said, "The trouble with being smart is that someone can put a gun to your head and ask you to tell them everything you know."
Joanna