Great article.

REST with JSON has always been a category error: JSON is not a hypertext and thus, as the author says, violates the most important and distinct aspect of the REST architecture.

I have written quite a bit about this:

http://intercoolerjs.org/2016/01/18/rescuing-rest.html

http://intercoolerjs.org/2016/03/15/hypertext-hypotext.html

https://threadreaderapp.com/thread/1276556432385531906.html