Maybe i'm wrong, but I've never seen another *A airline sell a ticket, fly a plane on their own metal, put your *status on the boarding pass, and deny you lounge access.
And, if they do, it doesn't make it right.
Aegean prides itself on being "Europe's best regional airline" and takes feeder traffic from around Europe, and around the world to the Greek islands.
They're happy to take the business from *members, but screw them when it comes to benefits.
I was surprised when I was turned away at the lounge, and I want to make sure others don't make them same mistake. Fly someone else who works for your business.