However the large majority of Lisp folks end up using plain old Common Lisp and Scheme with their S-expressions, because it is easier, it is like telling written languages with symbols are harder than those with latin characters, it is only hard to read and write until one actually learns them.
For more details see the paper https://dl.acm.org/doi/pdf/10.1145/3622818 or watch the talk https://www.youtube.com/watch?v=hkiy1rmKA48