It is true you can do a lot more with javascript on the front end than an old school app, for instance the game krunker.io or something like Figma. Around the time when Google Docs came out I started getting work to build very complex SPAs such as a knowledge graph editor and a tool for assigning salespeople to territories. When I started with this I noticed there were a lot of web design shops in town that were starting to use Ruby-on-Rails for everything, a few years later I noticed that those same shops didn't seem to think they could sell sites that didn't use Angular.