[lentil]

> Try that with a GIL, sure, multithreaded Python and Ruby is possible, but it's not for the faint hearted and not as easy to read

Actually that example does tend to be simple and readable in Python and Ruby. I've used a pattern similar to this to parallelize calls to a few back-end services from a Ruby app and it worked out great. The code I used looked something like this: https://gist.github.com/kevinmcconnell/8365521, which I think is quire readable.

I've definitely found Go's approach to concurrency to be very helpful in other situations; I just think that example could be a bit misleading.