That's a problem with LISP-style languages too. Too much flexibility and dynamic syntax leads to write-only languages, or at least languages that are write-only

That's a problem with LISP-style languages too. Too much flexibility and dynamic syntax leads to write-only languages, or at least languages that are write-only-by-the-original-author. You can see the opposite end of that spectrum in Go, which can be readily read by anyone since there's generally only one good way to do anything.