That's great and all, but like they said, unless you're running a niche website with super tech-savvy users (this site, for example) you're not going to have to

That's great and all, but like they said, unless you're running a niche website with super tech-savvy users (this site, for example) you're not going to have to worry about the JS-disabled folks. When the % of users with JS disabled viewing your site is super low, it's not really a concern to cater to them.