One argument from the biggest poker machine beneficiaries, clubs and pubs, was whether the proposed system threatens the worst of all worlds - an expensive system that would scare off recreational gamblers while providing little help to problem gamblers.It looks like the gaming industry is gearing up to defend itself (and customers) against reckless policies. Better late than never, I guess.
See also:
Biometrics shut out of Australian problem gambler program
Most Unfair biometrics article in a long time
More on Australian Politics and Gambling
Even more on the subject (keep scrolling).