The original motivation was to reduce the number of network requests made on cellular network-connected mobile devices, both to save on power consumption and reduce latency for the user. It off-loads a lot of complexity and computation from the client to the server, and make sense if want to create as good a mobile experience as you can.
In terms of code architecture, it drastically simplifies frontend code, and overall reduces backend code and boilerplate. It's extremely elegant and nice to use over creating custom endpoints for every use-case, but the N+1 SQL query problem is a giant thorn.
In terms of code architecture, it drastically simplifies frontend code, and overall reduces backend code and boilerplate. It's extremely elegant and nice to use over creating custom endpoints for every use-case, but the N+1 SQL query problem is a giant thorn.