NEVETS,
You are right in saying that at the moment betting exchanges are not contributing to Aust racing but haven't Betfair always maintained they were willing to pay a percentage of their turnover?
On a related theme those recent British jockeys scandals must be a godsend to the betting exchange bashers.
And on a lighter note:
Question: Which horse do you lay in an English race?
Answer: The one with rear-view mirrors attached to its blinkers!