Re: "I simply do not see why your goals 1-4 require a) the same language on the server as the client" Have you ever done 1-4? Re: "marshalling to JSON is triv

Re: "I simply do not see why your goals 1-4 require a) the same language on the server as the client" Have you ever done 1-4? Re: "marshalling to JSON is trivially achieveable in almost all programming languages" Code sharing and JSON serialization/deserialization are not the same thing. Re: "To suggest that developers should - to achieve this microscopic payoff - choose to build servers using a language with a crippled concurrency model (i.e none) is laughable." Ships will sail around the Earth but the Flat Earth Society will continue to flourish.