This makes me sad. All of these added features mean it's increasingly hard for more junior developers to break into this industry. The market essentially dictat

This makes me sad. All of these added features mean it's increasingly hard for more junior developers to break into this industry. The market essentially dictates that juniors learn JavaScript. The status quo of poor interviewing practices is such that juniors are forced to memorise curious quirks of the language, rather than focus on the essentials (like in JS: The Good Parts) to be productive.