Right, and popularity is the ultimate determinant of value. Maybe you are simply ignorant of how many systems might actually run a lisp or similar "irrelevant"

Right, and popularity is the ultimate determinant of value. Maybe you are simply ignorant of how many systems might actually run a lisp or similar "irrelevant" programming language in the systems you interact with. From airline reservation systems to banking and high-frequency trading. JavaScript is not, in fact, eating the world, and nor will Python, Rust or whatever else.