Yeah, I can see how being in a team would make the decision different; I'm still a student and haven't had the chance to work on production projects. Yet I don

Yeah, I can see how being in a team would make the decision different; I'm still a student and haven't had the chance to work on production projects. Yet I don't agree with OP that higher level => harder to maintain. I guess my reasoning comes from your second point: Good ecosystems create ways for programs written in high level languages to maintain maintainability (see Flow.js).