Curious I was trying to be diplomatic, as i am aware that for many years in certain circles there has been an argument as to who owns the TAB, the government or the racing clubs, i think even Rodger Douglas was looking to sell it but backed off as he could not get clarity over the ownership position, thus in fairness to racing i have always believed that the clubs who started the Tote in the early 1900s still own the IP which is based within the Jetbet system, As to the ownership of the rest of the Entain run TAB i think it is fair to say that Racing can have no claim on that.....hope that answers your question.
Well i will bow to your superior knowledge around the systems used to share data between tab/casinos and the DIA, it seems like everything is all good here in NZ, as you say the only way to circumvent it would be to manipulate the data, and it is highly unlikely that any organisation would try and get one over the New Zealand department of internal affairs.