s52 Misleading or deceptive conduct
(1) A corporation shall not, in trade or commerce, engage in conduct
that is misleading or deceptive or is likely to mislead or deceive.
s53 False or misleading representations
A corporation shall not, in trade or commerce, in connexion with
the supply or possible supply of goods or services or in connexion
with the promotion by any means of the supply or use of goods or
(a) falsely represent that goods are of a particular standard,
quality, value, grade, composition, style or model or have
had a particular history or particular previous use;
(aa) falsely represent that services are of a particular standard,
quality, value or grade;
threaten to or make a complaint to the ACCC, A Current Affair or Today Tonight as a last resort.
either way sounds like you have been wronged and can seek a remedy IF you want to pursue it.