Just asked for 3 months and they gave 12 months multi entry.
I think they are biased based on who you are and your financial level in aus. Didn't seem like any issues getting mine compared to friends in the UK and USA.
lol London and the UK is a failed society and complete shit hole, who would want to stay there. They should be happy she wants to be a tourist and spend money. She will be dreaming to go home.