Quite the contrary. In the browser, workarounds have always been the other stopgap solutions, like script concatenation, require.js, and bundlers like Webpack.

Quite the contrary. In the browser, workarounds have always been the other stopgap solutions, like script concatenation, require.js, and bundlers like Webpack. With ES6 modules, bundlers and transpilers are not mandatory anymore for a large part of modern JS development. This is a good thing, as they were a giant source of complexity.