Keunwoo Lee (aka cog) made a very similar argument back in 2010, "languages ride platforms to popularity".
http://abstractfactory.blogspot.ca/2010/05/how-to-design-pop...
But I'm not sure this argument applies in the 21st century. Languages like Clojure and even Rust get significant attention just for being better, and they are not tied to any must-have tool.