Why?
It's fast, it's homoiconic, and it's fun to write.
It's consistent and it has powerful inspecting/debugging capabilities (like TRACE, INSPECT, DESCRIBE, APROPOS) and a powerful REPL.
Also:
https://gigamonkeys.com/book/introduction-why-lisp.html
https://malisper.me/category/debugging-common-lisp/
>>2
This. I enjoy thinking in terms of recursion.