You pick a language because: 1) You can hire people that can use it effectively. 2) It is robust, production ready. 3) Emphasizes a set of traits that you ar

You pick a language because: 1) You can hire people that can use it effectively. 2) It is robust, production ready. 3) Emphasizes a set of traits that you are interested in, such as productivity, performance, high concurrency, low latency, binary size, compatibility, etc. To the clueless this may seem like bikeshedding and cargo culting, but that is not necessarily the case.