six figures of lost income easily over the last six years
If I were very conservative in the estimates, say I would have gotten 200 hours of play more per year for the last six years that would be a few hundred thousand of expectation. Pro players seldom play under their real name. Why on earth would they mind it being made public? You could get your face on the evening news with a big caption that read "card counter" under it and the chances are 50:50 at best that it would cost you a single backoff if you played in Vegas two weeks later.
This is an overall affect, not the affect of a single case of flyering. I'll go to some town that has 3 or 4 casinos. I'll get 6 hours of play in at one of them and get backed off. Then I figure that over the next two days, before going home, I can put in 4 or 5 hours at each of the other 3 casinos. But at each I'm backed off as soon as I sit down because of this illegal communication. So it costs me 10 to 15 hours, two or three thousand dollars, on that one trip. And it may cost me another 20 hours of play that I could have gotten at the other casinos in town latter that year. This happens several times per year to serious active players.
I am not interested in recovering lost income. I am interested in putting an end to the practice. It is blatantly illegal. Further, I would have no trouble raising lots of money for legal fees and expenses from like minded pro gamblers if the right attorney presented the right plan in the right jurisdiction that looked like a winner.