went to the ground today to make the complaint
gave them the details and the person at the window took all of the information I provided. He even seemed to know the dutch website that these were being sold on.
anyhow, he sent the details to the correct place so hopefully something will happen.
(I did say that something needs to be done, like ID at a turnstile, but he replied saying that the damage had already been done at that point. later I though, at least you'd be finding out which accounts are being used and you could ban them. anyway. I said, the sales are really good and I don't want to see them go)