While Lucas not wanting to reveal any information about this species is one thing, it still seems a little unnatural that others who interact with them don't freak out whenever seeing one of them.
"Hey! It's one of those ungodly powerful creatures that shows up once every few hundred years! OH MY GOD!!!" - Random Jedi
***? you just named three nations that are completely different and couldnt have a greater distance between the three of them, one of them being very similar to america as they are our neighbor, and said youre alike in mind to them?