"This lesbian couple was beaten up by a group of men because they refused to kiss for their entertainment. This is a hate crime. They are not men. They are a bunch of chauvinistic, misogynistic homophobes," tweeted a Twitter user.
Malcolm Turnbull supports gay marriage and initially opposed the plebiscite concept. But he agreed to maintain the government's plebiscite policy in a deal with the most conservative lawmakers in his party when he replaced Abbott as prime minister in September 2015 due to Abbott's poor opinion polling.
The dispute is one of several similar cases around the United States pressed by Christian conservatives who object to gay marriage and argue they should not be forced to violate their religious beliefs by providing certain services to same-sex couples.
QT came to Hong Kong in 2011 after she entered into a civil partnership with a woman known as "SS" in Britain. SS was moving to Hong Kong for a new job. But QT was denied a dependant visa and was given instead a visitor visa, which does not allow her to work.