Here is a Tweet from Sydney Airport around six hours ago. It’s just a Monday morning during school holidays in the third year of a global pandemic with flights cancelled due to sick aircrew and staff. There are few masks to be seen. They were recently dropped as a Covid-19 mitigation measure at airports and in general Australian life. And that, as part of a package of widespread Covid defence easing, is how this mess happened. That will soon be changing—masking-up that is. The commercial damage inflicted by the stupidity of politicising Covid-19 will take at least another year to unravel, unless it’s permitted to worsen. I Tweeted the following earlier today as part of a small thread: Denying that compulsory mask wearing slows…