I have never found sever side rendered templates simplate on harder and more complex web apps. But that's me, maybe it just does not map with your mental model,

I have never found sever side rendered templates simplate on harder and more complex web apps. But that's me, maybe it just does not map with your mental model, or maybe I started php and django with the wrong foot. All I know is that for the moment I find react simpler to reason with. I looked a bit at angular and angular, and they also seemed simpler than SSR templates.