Atwood's Law: any application that can be written in JavaScript, will eventually be written in JavaScript.
Lisp is a Black Hole: if you try to design something that’s not Lisp, but like Lisp, you’ll find that the gravitational forces on the design will suck it into the Black Hole, and it will become Lisp.
To become popular, a programming language has to be the scripting language of a popular system.