That was my thought (I wrote the Dark post). It also makes me think of CircleCI where they stayed in Clojure for quite some time - it really didn't have that m

That was my thought (I wrote the Dark post). It also makes me think of CircleCI where they stayed in Clojure for quite some time - it really didn't have that much need for libraries (and the ones it did need, such as AWS, were provided by Java). When evaluating whether to use a non-mainstream language, the rule I use now is: - will I need to interact significantly with the outside world in a way that can only be done with libraries? - if not, do I gain a lot with this non-mainstream language? That contrasts against how I used to do it, where I viewed it as a trade-off between the ecosystem and the advantage of the non-mainstream language.