the goal of 2017 "robust, high-scale servers" is maybe for this.
scripts have fast developing speed,but are not always robust,high-scale,specially for those backend services developed by many developers,here are fields of java,go,.net,even c++.a language with safety,high performance,low resource consumtion is strong competitor.languages with GC such as JAVA are resource monsters,specially when there are unlimited microservices running simultaneously