Because this is Transformers, it turns out that she's kinda almost right, in the sense that there's a hole full of aliens right where she says there is. It's just kind of a cave though, nothing too special except for the massive Decepticon army inside it. So, yeah, she's a bit of a crackpot. She's a cheerful, generally likeable crackpot though, and the Autobots warm up to her for it.