The ideas described here are just tools and the article contains plenty of simple and readable examples of the tools being used well. If you end up using them t

The ideas described here are just tools and the article contains plenty of simple and readable examples of the tools being used well. If you end up using them to create giant unreadable blocks of JSX then you're using the tools wrong, but that doesn't make the tools themselves an anti-pattern. The anti-pattern there is "giant unreadable blocks of code".