Maybe one day we'll look back at JavaScript and conclude it was a gigantic mistake ship unaudited executable code to a few billion people every day.

JavaScript is fine, it's what and how people build with it that's the problem. It was never meant to be a systems language but we're desperate to make it one.

In light of this discussion:

https://news.ycombinator.com/item?id=46141771

that is an interesting observation.