I don't think that's particularly controversial," he says."What the New South Wales government announced yesterday was the next step forward after the New South Wales Parliament reduced the number of legally available guns to licensed gun holders in the wake of the Bondi tragedy."NSW Treasurer Daniel Mookhey has also weighed in on the GST debate.One of the key arguments the West Australians are making is that the pre-2018 deal penalised its mineral wealth.Mookhey told ABC's Radio National Breakfast that WA wasn't the only resources state."If the logic that WA is arguing for is to apply across the board, then every other state that's either developing those resources, or looking to, is entitled to the same benefit," he said.We've had a bit of a state treasurer flavour this morning And another hardship is if they don't have a house and they're put out on the street and they're living in a car," he says."Surely it's their money and we should give a little more respect about what they can do with their own money."Independent MP Allegra Spender is urging other states and territories to follow New South Wales in signing on to the national gun buyback scheme.The joint NSW and Commonwealth program starts in November, and is part of reforms announced in the wake of the deadly Bondi Beach terror attack last year.Spender's Sydney electorate of Wentworth includes Bondi, and she says the scheme is an opportunity to make the nation safer."I think my community would genuinely welcome New South Wales getting on board with this, but I think genuinely have questions why the other states won't get on board as well," Spender told ABC's AM."I know that the gun buybacks on their own won't stop terrorism, won't stop violent extremism