While I agree that non-blocking isn't a panacea, I think that your attitude that it was an unnecessary experiment is a little dismissive. The fact is that gree

While I agree that non-blocking isn't a panacea, I think that your attitude that it was an unnecessary experiment is a little dismissive. The fact is that green threads aren't a panacea either, and exploring the callback based pattern led to some really interesting development, evidenced by the explosion of javascript on the server . At the time that node took off, a huge amount of server code was python with the GIL, and there needed to be something to shake up the status quo.