Precisely. Ruby was such a hit with rails they never bothered creating an ecosystem outside of the web. JS doesn't have this problem because it has the terribl

Precisely. Ruby was such a hit with rails they never bothered creating an ecosystem outside of the web. JS doesn't have this problem because it has the terribly unfair advantage of a monopoly of the most popular platform in the world. But Ruby did not, the server was open too all. And so when competition arrived on the backend, people chose a language that you could use for the web and something else.