Early in 2023, like millions of other Australians, Kate Hulett made a new year’s resolution. Key points: Knowing it was a pledge she would struggle to keep, she put it on social media, declaring to her 8,000  followers: “If I write this one out loud, I’ll feel [more] guilty if I break it,” she wrote. “And seeing as I’m a grown woman, mainly fuelled by guilt, this should prove an effective technique. “No new clothes in 2023.” It might seem like a small, extremely first-world, gesture. But for the artist, small business owner and lover of clothes,  it felt like the only useful thing to do in the face of mounting evidence of the cost to…