Lots of "robust" industries choose the JS ecosystem. I work in Fintech. There's a lot of tooling to make JS-as-a-language more robust, including TypeScript and

Lots of "robust" industries choose the JS ecosystem. I work in Fintech. There's a lot of tooling to make JS-as-a-language more robust, including TypeScript and some of the best linters, debuggers and introspective libraries available in the entire tech industry. The only reason JS isn't used more than it is, is because its robustness is young, not non-existent.