[aikah]

> I ultimately prefer using the "best" language for the job based on specific requirements.

Most shops don't think like that. Using too many languages often quickly becomes unmanageable.

I wouldn't use 6 different languages into the same project UNLESS they are part of different server/cli tools that work in isolation. I don't need to have a deep understanding of Go to use Docker, I don't need to be a PHP expert to deploy Drupal or Wordpress , I don't need to know Ruby to use vagrant,nor Java to use Cassandra. So using these tools in isolation is fine inside the same project.