still, some use it professionally. And pick it as first choice. Like, is CL all the rage in quantum computing?

https://github.com/azzamsa/awesome-lisp-companies/

for some, prototyping goes to production: https://blog.funcall.org/lisp%20psychoacoustics/2024/05/01/w... (this year example)

Thriving as recognized by the general public, no, but do many implementations improve and are libraries released for practical matters? Yes.