It means we don't need them at development time. Just use modules (and an http/2 dev server for better multiplexing), then do bundling and other optimizations o

It means we don't need them at development time. Just use modules (and an http/2 dev server for better multiplexing), then do bundling and other optimizations only for production. It also means that project like in the article can mostly just go away - you don't need a custom loader.