Not much they can do about it in the way of enforcement
If twitter just told them to get bent, I'm not paying your stinking fine. There isn't really much Australia could do about it I don't think.
8 publicly visible posts • joined 30 Mar 2016
"Who with any sense employs Chinese nationals in a secure environment? There have been too many reports like this. Its as daft as employing Russians in the 1960's or Germans in the 1940's"
To fail to hire someone because of their ethnicity or national origin and you would get accused being a racist. Thats why not