From the readme

> You don't need to use this entire stack if you build a simple web page with a few JS interactions of course (a combination of Browserify/Webpack + Babel + jQuery is enough to be able to write ES6 code in different files)...

Actually you can build a simple webpage with HTML and javascript. You don't need all those other tools adding complexity just because everyone else is doing it. This is especially true with how expressive es6 is.