This is extra steps compared to Shadow DOM [1]?! This is 15 lines of js and works with style tags anywhere in the page, and is particularly useful in SSR scenarios (which htmx encourages). Until we get declarative shadow dom [2] I don't think calling it 'fewer steps' is remotely reasonable.

[1]: https://developer.mozilla.org/en-US/docs/Web/API/Web_compone...

[2]: https://developer.chrome.com/articles/declarative-shadow-dom... | https://caniuse.com/declarative-shadow-dom