I agree with you on all points. Regarding side effects, it might even be possible to create almost-side-effect-free server code; but the state of most native c

I agree with you on all points. Regarding side effects, it might even be possible to create almost-side-effect-free server code; but the state of most native client frameworks are just not ready for this. State can be banished/abstracted into the lower levels, but it doesn't go away. (Speaking as an iOS dev. There is React Native, but this only handles the view layer; good luck with stateless CoreData)