see, this is where things like apollo client shine.

one part of the page makes a request and the rest of the page gets to use the data because now it’s in the local object cache.

I get what this article is saying but there is a lot more to graphQL than reducing network RT. It’s about replacing statically defined REST API responses.

As a prior commenter wrote, it’s making the backend more flexible when the front end devs change their mind.