Right, those things fall into the category of tools libs & frameworks. Like Carl Sagan says if you want to make an apple pie from scratch you have to first inve

Right, those things fall into the category of tools libs & frameworks. Like Carl Sagan says if you want to make an apple pie from scratch you have to first invent the universe. There's always going to be change and need to support backwards compatibility, so polyfills libraries & frameworks likely aren't going away anytime soon, even after web components are widely supported.