[ratww]

> Devs should consider that carefully when they're making components. If your block can't be lifted and reused because it relies on the parent structure [...] then you need to think some more.

Yes, that's what the article is talking about.

Even with headless components you need to have CSS somewhere else in the end. I don't know how you're "[leaving] the way things look up to the app that uses them" to headless components, but most people do it with (surprise) other components that belong to the "app" itself. Or with CSS-components.

So, the advice in the article could still apply to them. If you apply a style that contains an outer margin, you might run into the problems discussed by the articles.