>I think JavaScript is a suboptimal programming language because it has too many features, and on top of that they tacked on yet more features recently. I wouldn't call CSS lousy either, and the API of the DOM even got better over the years.

Huh? What were the overwhelming number of language JS had pre-es6? It was actually a sparse language that led to the need for a lot of libraries for you to have a chance at being productive.