Olympic breakdancer Raygun has raised concerns about the state of higher education in Australia weeks after she took a voluntary redundancy from a Sydney university.Rachael Gunn worked as a lecturer in the faculty of arts at Macquarie University until February.The competitive breakdancer rose to prominence when she competed at the 2024 Olympic Games in Paris and lost all three of her breakdancing battles.READ MORE: Aussies warned their phone could be seized at this popular airportOlympic breakdancer Raygun has taken a