More accurately: “Established” versus “Trendy” technology.
Maybe it’s stereotyping, but I strongly suspect users of Trendy technology are more likely to be vocal about it, including by answering surveys, and especially in online forums. I’m personally a PHP developer, one of the least Trendy technologies, and you’ll never see me loudly talking about it like a JavaScript developer. The internet, and frankly HN, would tell you that a language with over a billion Docker pulls isn’t worth learning.
Depends on the frameworks more than the language. Ruby is dependent on Rails, Javascript on Node and the various front-end frameworks, and PHP on Wordpress and Laravel. Not to say that there isn't vanilla development happening in each of these, but that's not what drives adoption. (Especially when you use upstream dependencies like Docker pulls as metrics)
Maybe it’s stereotyping, but I strongly suspect users of Trendy technology are more likely to be vocal about it, including by answering surveys, and especially in online forums. I’m personally a PHP developer, one of the least Trendy technologies, and you’ll never see me loudly talking about it like a JavaScript developer. The internet, and frankly HN, would tell you that a language with over a billion Docker pulls isn’t worth learning.