A world where you cannot access bank, buy a flight ticket, do your taxes or rent a domain name without loading up propietary program on your machine that should be unnessesary.
I’m not against JavaScript as a whole. But those things should not require any additional app, regardles if compiled to assembly and running on Windows or compiled to JavaScript and running in Chrome. Anything above pure HTML should be optional and critical websites (like goverment) should work with scripts or styles disabled.