New users don't have desktops
... but feature phones and smart phones
As currently practiced, it's not working. Folks think it means "use the viewport tools in devtools" not "design on a phone", and then they make choices (e.g., heavyweight, desktop-era frameworks) that sink the experience from the get-go.
Responsive Web Design alone has failed so far in keeping the web at the forefront of users experiences where most users are most of the time — on mobile.
How will you link to a feature in an app?
The power of the Web is in its universality. Access by everyone regardless of disability is an essential aspect.
Links were two-way
Content could be edited
(notice "Dark Mode" - simple to do in CSS)
... if you can find the documentation!
... most of these could be - and are on Android - web apps.
Web Monetisation API (Coil)