The force of convergence should almost make us care more about other languages, since the explosion of software is a multiplier on good/bad designs, and we should consider what we want our AIs to be using.
Of course, Lisps also seem to have the property of attracting people who genuinely like the practice of programming and, if it clicks with you, it has the property of generally leaving you really excited to write more of it. If you're hauling up and spending real American dollars to spend a weekend packed in a hall full of nerds to chat about a niche programming language, you're probably in that group. Consequent to that, it'd be a mighty small-minded thing to wonder what the point of joy is, when you could just be managing an agent swarm to write more enterprise Go code.