Because "too many parentheses" is a valid complaint from the crowd. While experienced Lisp programmers are accustomed to parentheses, not everyone is. Establishing the mental circuitry for handling parentheses is unnecessary. Computers can do the job for us.
We love Lisp for its macro system , the ultimate freedom. By using Python's indentation style we may get more people on board. Code should not be noisy, so let's exploit the human visual system to create code we consider pleasing.
These simple rules allow us to write Lisp as Python which should work for any Lisp:
In addition, we also allow escaping parenthesization using `\`, as well as comments `;`:
You can download the script that transforms "lispy" into lisp here.