Yeah, the pro-human stance of the Empire was definitely a thing, such that seeing any non-human having anything official to do with the Empire was a sign of superior merit (See: Thrawn).

You know, it is kinda funny how much they've tried to "diversify" the Empire at this point. Yeah, they're the bad guys, but were still bad guys we could enjoy to watch in the past. And the moment they "diversified" the bad guys, you couldn't even do that anymore.

Yeah, the pro-human stance of the Empire was definitely a thing, such that seeing any non-human having anything official to do with the Empire was a sign of superior merit (See: Thrawn).