> Most layout issues JavaScript packages attempt to solve, like box placement, alignment, and sizing, managing text overflow, and even entire layout systems, are solvable with CSS today.
This paragraph has surprising links. "Managing text overflow" links to Shave, a library for truncating multiline text[0]. Last time I checked, CSS was capable of truncating single-line text, but could not truncate multiline text (the line-clamp rule is still not universally supported). The first link in that paragraph is to a flexbox polyfill, and obviously, there's a reason why people use polyfills.