Really? Well, I guess back home, no one had ever seen a human either until almost thirty years ago. And now, they're everywhere.

[ now he actually laughs. ]

And that's one way to put it. Back home, there were the occasional human assholes who would go on about human supremacy, and how the rest of the galaxy hated them, and all that. [ obviously, he's not going to mention that he tangentially worked with one. but only because his best friend asked him to, ok? ] But, there's assholes in every species. Hell, one turian tried help wipe out all advanced life. He failed, of course, but got a lot of people killed in the process.