I was joking. I usually hear complaints about SPAs from backend engineers who see frontend as a few server-side rendered forms with some validations thrown in.

I was joking. I usually hear complaints about SPAs from backend engineers who see frontend as a few server-side rendered forms with some validations thrown in. An equivalent to that is a back-end with a thin layer atop of database tables. I programmed server-side web forms in ASP.NET and JSP for years before switching to SPAs and React. Literally everything is better with React. Everything.