Nope -- he's giving us his personal feedback and experience. I agree with him. I dislike Cursor and Windsurf and enjoy Claude Code alot.
Bother to try it for yourself, and make your own decision. I know it make actually be a bit of work...but you'll probably find everyone has their own style from the web API, to some IDE. No need to be so hostile.
I know I'll get downvoted for this -- but if can use AI, ask it to use VanillaJS and no libraries (if possible).
Consider that any libraries you load (ReactJS, etc) already use JS built into the browser anyways. So creating a project like this will be WAY more understandable and easy to reason about.
After you can load up on any libraries you need, but understanding the basics is key.
Bother to try it for yourself, and make your own decision. I know it make actually be a bit of work...but you'll probably find everyone has their own style from the web API, to some IDE. No need to be so hostile.