Originally Posted by
Centurion
As Amex opened up the first USA Centurion Lounges they were going to charge Platinums. I am sure you can find some of the Amex terms on the internet wayback engine.
Right. Perhaps that, weirdly, was what the Seattle desk agent was thinking of, even though that policy was never put into effect? But even this is quite different from claiming that a Centurion lounge was somehow "Centurion only" on a given day. A totally Centurion-only lounge (without even an option for Plats to pay to enter) would be a lounge with zero to two people in it at any given time.