Yep there are cool things you can do in Lisp that you can’t do in other languages. But, as you say, it doesn’t matter to most developers. What matters to most developers is a large language community, and a great selection of battle proven frameworks/libraries to make their job easy. Look at JavaScript going from the ugly duckling of languages that nobody use, to being absolutely essential to millions of programmers everywhere. Not because of the language, but because of the large community of developers forced to use JavaScript, resulting in a huge supply of frameworks and support/help available to JavaScript developers. If Lisp had been used instead of JavaScript, it might have been equally popular today. I personally would have preferred that actually.