McDonald's, McDonald's, Kentucky Fried Chicken and a Pizza Hut!
What ?! Combination Pizza Hut And Taco Bell
But providing a robust graphql endpoint that is performant, scalable, secure, etc, is much more difficult than REST. GraphQL is optimizing for a different set of developers, and this paper only studied one group.
Okay. Who is paying for it?
Farming is razor thin margins already. Most people aren't on techie salaries that can afford organic food. Raising the price is just a tax on the poor.
It does seem like they had a good reason for splitting out search though: "We needed to release search updates independently and changes were frequent."
But yeah, I'm not sure why they are attributing the perf gains to the microservices. Very curious...