Worth keeping in mind that Optus recently hired Gladys Berejiklian, which may say something about the character of the company:

https://finance.yahoo.com/news/optus-appoints-ex-nsw-premier...

For international readers, Gladys Berejiklian was the Premier of the state of New South Wales, and resigned as Premier once it became public that she and her boyfriend were being investigated by the Independent Commission Against Corruption. Optus is the job she accepted while the corruption investigation continued.

https://au.finance.yahoo.com/news/gladys-berejiklian-resigns...