Developer ergonomics is good. I still remember days where you had to use images for shadows and round corners. Now it's just one line of CSS. But here it doesn

Developer ergonomics is good. I still remember days where you had to use images for shadows and round corners. Now it's just one line of CSS. But here it doesn't feel very ergonomic. You still need to write that JS code! Reading into it some more I think the only benefit it adds is state management (rerender on parameter change) but I don't really don't want/need CSS doing that for me.