No, you're wrong. Common Lisp has hash-tables, arrays and pretty much any data structure you need. But they are not lists, they are atoms. Hence why almost ever

No, you're wrong. Common Lisp has hash-tables, arrays and pretty much any data structure you need. But they are not lists, they are atoms. Hence why almost everything is an atom. It's well known that linked lists are inefficient in many ways. Nobody writes programs using only lists.