I think JavaScript as a backend language was a mistake, and that Node has single-handedly caused more damage to the entire tech industry than any other aspect.

I think JavaScript as a backend language was a mistake, and that Node has single-handedly caused more damage to the entire tech industry than any other aspect. That hasn’t stopped billions of dollars of revenue from being created with it. At least Ruby is unpopular enough (compared to Node) that people who know it are probably decent at their job.