> If it was this easy eveyone would be using RPC all over the place for many years already, and we'd have no HTTP and no train-load of other protocols. People

> If it was this easy eveyone would be using RPC all over the place for many years already, and we'd have no HTTP and no train-load of other protocols. People are using RPC over HTTP all the time. Most backend APIs I've seen are only vaguely RESTful [1] and everyone seems to stuff much of their critical functionality in JSON RPC APIs masquerading as POST endpoints. [1] no true scotsman and HATEOAS ¯\_(ツ)_/¯