Dmitry Non posted on what he finds weird or impractical in Common Lisp:
https://nondv.wtf/blog/posts/common-lisp-is-a-dumpster.html
and Alex wrote a response:
https://nytpu.com/gemlog/2025-06-01
For perspective on certain design decisions it helps to immerse in the historical context in which those decisions make more sense. I disagree with Alex that early Lisp dialects died out: @interlisp is alive and well