I thought the Aussies had expressed an interest in them.
Of course Australia would have 'expressed an interest' if they were in the market for a strike/attack aircraft. Doesnt mean that they would have bought TSR2 or even that they ever had any serious intentions of so doing. Potential customers express an interest in almost everything in sight as a data gathering exercise and to justify purchase of their selected option. When I worked in industry we very carefully evaluated our chances of success before agreeing to bid for a contract as bid costs ran into tens of millions and ate up valuable and often scarce resources.