Focal definitely DOES attach aff codes to cross selling attempts.
At Fortune I see nice results from it. People do move around among the various casinos and it shows in my stats.
I heard Referback will too – and I do think they have in the past also.
We tend to raise the issue with programs as we go, and most either stop the cross promotion or give us credit once confronted.
Some give us codes with or without popups.