There is broad public support for COVID-related travel bans. In particular, the majority of people who are voluntarily staying home don't want the commons that

There is broad public support for COVID-related travel bans. In particular, the majority of people who are voluntarily staying home don't want the commons that is public health spoiled by a handful of selfish individuals who have decided that this is the personal liberties hill they want to die on. The situation in Australia is particularly poignant because of just how effective the short, strict lockdowns have been— well, surprise, they're effective and therefore short because they're strict. When you take half-measures and pander to people who don't want to cooperate, that's when it drags on for months leaving those who cooperated feeling frustrated and exhausted (see: most of the US and Canada).