Allbirds, a wool-sneaker brand, is unique among its peers in abandoning consumer goods. But other millennial brands have suffered existential crises of their own https://www.economist.com/business/2026/04/21/from-allbirds-to-glossier-millennial-brands-have-lost-their-mojo?taid=69f0a5fa9e11680001e65a8a&utm_campaign=trueanthem&utm_medium=social&utm_source=voante