In Emacs, you can install any package that will then do most/all the evil that JS can. In principle, you should be very careful about the packages you install.
I think it's the cultural issues he's getting at. Minified or otherwise obfuscated elisp packages would rightly be viewed with suspicion. Unauditable JS is the norm, right?
> But one thing I think we really shouldn't have is the equivalent of a modern web browser.
I think people are focusing on the Javascript part alone too much, when he made it clear numerous times that he is talking about the browser model, not javascript language itself.
I don't get it. Like, i don't care if we can write emacs stuff in JS or not, but i don't see how it's any more dangerous than Lisp.