Yeah, his dreams are actually pretty scary. Kakyoin carving the message onto his hand was exactly what I would have done, good on him! Sucks that he's mentally shitty right now and can't interpret it properly. That's alright though, we can always count on Jotaro to rescue them :S.

Hermit Purple flying a plane came out of nowhere. It'd have made more sense for it to forcefully steer the plane than to invade its electronics.