Originally Posted by
Mrs Trellis
I wouldn't think there's anything to be gained from going to Aether. In fact, if you are unlucky enough to come across a misinformed check-in agent, it may be easier to escalate it to a supervisor/manager from the main terminal.
I eventually got a reply from them. It said that if you can't check in online and get your boarding passes before arriving then they can't help you anyway. (I had forgotten this). So much worse than the main terminal really, they can't do any document checks at all.