[Considering that the storms were pretty much tailored to do the same to the Agrii here...]

Convenient scapegoat. Honestly though? Their fingerprints are everywhere, according to those who've actually encountered and fought them. Most of them aren't here anymore though...

There's traces of their technology- even the shuttles we use? Those were provided to them, along with the ship the Agrii use now. They've even got videos of...I guess old episodes? Wait, guess I should back up. How much have you heard about them anyway?