I think you overestimate how hard it is to pick up a new language. Even the designer at Circle (https://twitter.com/dannykingme https://twitter.com/dannykingme)

I think you overestimate how hard it is to pick up a new language. Even the designer at Circle (https://twitter.com/dannykingme https://twitter.com/dannykingme) learned enough ClojureScript within the first month to build components completely independently. It only required a little extra engineering time to hook things up properly.