I only do front-end dev occasionally, but these are my 3 goto articles that make me lean towards not using Tailwind:
1: https://www.zolkos.com/2025/12/03/vanilla-css-is-all-you-nee...
2: https://www.joshwcomeau.com/css/subgrid/
3: https://railsdesigner.com/custom-elements/ (more Rails specific)